Home / 29,161,692.06-40,243,728.28-15,931,725.86

Finding the Fourth Proportional to 29,161,692.06, 40,243,728.28 and 15,931,725.86

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Solution

The fourth proportional to 29,161,692.06, 40,243,728.28 and 15,931,725.86 is: 21,986,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,161,692.06 : 40,243,728.28 = 15,931,725.86 : x
  2. Step 2: Convert to fraction form
    29,161,692.06/40,243,728.28 = 15,931,725.86/x
  3. Step 3: Cross multiply
    29,161,692.06x = 40,243,728.28 × 15,931,725.86
  4. Step 4: Simplify right side
    29,161,692.06x = 641,152,046,541,289.38
  5. Step 5: Solve for x
    x = 641,152,046,541,289.38/29,161,692.06
  6. Step 6: Final answer
    x = 21,986,105.79

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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.