Home / 20,070,715.34-27,695,365.82-11,129,600.74

Finding the Fourth Proportional to 20,070,715.34, 27,695,365.82 and 11,129,600.74

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Solution

The fourth proportional to 20,070,715.34, 27,695,365.82 and 11,129,600.74 is: 15,357,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070,715.34 : 27,695,365.82 = 11,129,600.74 : x
  2. Step 2: Convert to fraction form
    20,070,715.34/27,695,365.82 = 11,129,600.74/x
  3. Step 3: Cross multiply
    20,070,715.34x = 27,695,365.82 × 11,129,600.74
  4. Step 4: Simplify right side
    20,070,715.34x = 308,238,363,924,842.69
  5. Step 5: Solve for x
    x = 308,238,363,924,842.69/20,070,715.34
  6. Step 6: Final answer
    x = 15,357,617.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.