Home / 20,597,937.28-28,426,123.20-11,430,655.36

Finding the Fourth Proportional to 20,597,937.28, 28,426,123.20 and 11,430,655.36

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Solution

The fourth proportional to 20,597,937.28, 28,426,123.20 and 11,430,655.36 is: 15,774,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597,937.28 : 28,426,123.20 = 11,430,655.36 : x
  2. Step 2: Convert to fraction form
    20,597,937.28/28,426,123.20 = 11,430,655.36/x
  3. Step 3: Cross multiply
    20,597,937.28x = 28,426,123.20 × 11,430,655.36
  4. Step 4: Simplify right side
    20,597,937.28x = 324,929,217,520,100.31
  5. Step 5: Solve for x
    x = 324,929,217,520,100.31/20,597,937.28
  6. Step 6: Final answer
    x = 15,774,842.55

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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.