Home / 28,385,489.43-39,171,991.16-15,332,748.42

Finding the Fourth Proportional to 28,385,489.43, 39,171,991.16 and 15,332,748.42

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Solution

The fourth proportional to 28,385,489.43, 39,171,991.16 and 15,332,748.42 is: 21,159,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,385,489.43 : 39,171,991.16 = 15,332,748.42 : x
  2. Step 2: Convert to fraction form
    28,385,489.43/39,171,991.16 = 15,332,748.42/x
  3. Step 3: Cross multiply
    28,385,489.43x = 39,171,991.16 × 15,332,748.42
  4. Step 4: Simplify right side
    28,385,489.43x = 600,614,285,430,482.12
  5. Step 5: Solve for x
    x = 600,614,285,430,482.12/28,385,489.43
  6. Step 6: Final answer
    x = 21,159,201.32

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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.