Home / 9,021,407.80-13,532,111.70-7,108,220.20

Finding the Fourth Proportional to 9,021,407.80, 13,532,111.70 and 7,108,220.20

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Solution

The fourth proportional to 9,021,407.80, 13,532,111.70 and 7,108,220.20 is: 10,662,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,407.80 : 13,532,111.70 = 7,108,220.20 : x
  2. Step 2: Convert to fraction form
    9,021,407.80/13,532,111.70 = 7,108,220.20/x
  3. Step 3: Cross multiply
    9,021,407.80x = 13,532,111.70 × 7,108,220.20
  4. Step 4: Simplify right side
    9,021,407.80x = 96,189,229,734,596.34
  5. Step 5: Solve for x
    x = 96,189,229,734,596.34/9,021,407.80
  6. Step 6: Final answer
    x = 10,662,330.30

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Double scale
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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.