Home / 9,112,897.40-13,669,346.10-5,324,430.20

Finding the Fourth Proportional to 9,112,897.40, 13,669,346.10 and 5,324,430.20

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Solution

The fourth proportional to 9,112,897.40, 13,669,346.10 and 5,324,430.20 is: 7,986,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112,897.40 : 13,669,346.10 = 5,324,430.20 : x
  2. Step 2: Convert to fraction form
    9,112,897.40/13,669,346.10 = 5,324,430.20/x
  3. Step 3: Cross multiply
    9,112,897.40x = 13,669,346.10 × 5,324,430.20
  4. Step 4: Simplify right side
    9,112,897.40x = 72,781,479,189,092.22
  5. Step 5: Solve for x
    x = 72,781,479,189,092.22/9,112,897.40
  6. Step 6: Final answer
    x = 7,986,645.30

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Double scale
Find fourth proportional to 9,112,898.40, 13,669,347.60 and 5,324,431.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.