Home / 42,521,020.64-63,791,667.90-13,767,164.76

Finding the Fourth Proportional to 42,521,020.64, 63,791,667.90 and 13,767,164.76

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Solution

The fourth proportional to 42,521,020.64, 63,791,667.90 and 13,767,164.76 is: 20,654,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,521,020.64 : 63,791,667.90 = 13,767,164.76 : x
  2. Step 2: Convert to fraction form
    42,521,020.64/63,791,667.90 = 13,767,164.76/x
  3. Step 3: Cross multiply
    42,521,020.64x = 63,791,667.90 × 13,767,164.76
  4. Step 4: Simplify right side
    42,521,020.64x = 878,230,402,294,503.12
  5. Step 5: Solve for x
    x = 878,230,402,294,503.12/42,521,020.64
  6. Step 6: Final answer
    x = 20,654,029.21

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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.