Home / 21,688,747.20-32,510,421.36-7,306,845.12

Finding the Fourth Proportional to 21,688,747.20, 32,510,421.36 and 7,306,845.12

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Solution

The fourth proportional to 21,688,747.20, 32,510,421.36 and 7,306,845.12 is: 10,952,620.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,688,747.20 : 32,510,421.36 = 7,306,845.12 : x
  2. Step 2: Convert to fraction form
    21,688,747.20/32,510,421.36 = 7,306,845.12/x
  3. Step 3: Cross multiply
    21,688,747.20x = 32,510,421.36 × 7,306,845.12
  4. Step 4: Simplify right side
    21,688,747.20x = 237,548,613,663,459.75
  5. Step 5: Solve for x
    x = 237,548,613,663,459.75/21,688,747.20
  6. Step 6: Final answer
    x = 10,952,620.34

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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.