Home / 9,021,403.80-13,532,105.70-7,108,216.20

Finding the Fourth Proportional to 9,021,403.80, 13,532,105.70 and 7,108,216.20

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Solution

The fourth proportional to 9,021,403.80, 13,532,105.70 and 7,108,216.20 is: 10,662,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,403.80 : 13,532,105.70 = 7,108,216.20 : x
  2. Step 2: Convert to fraction form
    9,021,403.80/13,532,105.70 = 7,108,216.20/x
  3. Step 3: Cross multiply
    9,021,403.80x = 13,532,105.70 × 7,108,216.20
  4. Step 4: Simplify right side
    9,021,403.80x = 96,189,132,956,852.34
  5. Step 5: Solve for x
    x = 96,189,132,956,852.34/9,021,403.80
  6. Step 6: Final answer
    x = 10,662,324.30

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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.