Home / 42,053,122.25-63,090,337.56-12,908,438.84

Finding the Fourth Proportional to 42,053,122.25, 63,090,337.56 and 12,908,438.84

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Solution

The fourth proportional to 42,053,122.25, 63,090,337.56 and 12,908,438.84 is: 19,365,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,053,122.25 : 63,090,337.56 = 12,908,438.84 : x
  2. Step 2: Convert to fraction form
    42,053,122.25/63,090,337.56 = 12,908,438.84/x
  3. Step 3: Cross multiply
    42,053,122.25x = 63,090,337.56 × 12,908,438.84
  4. Step 4: Simplify right side
    42,053,122.25x = 814,397,763,897,534
  5. Step 5: Solve for x
    x = 814,397,763,897,534/42,053,122.25
  6. Step 6: Final answer
    x = 19,365,928.62

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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.