Home / 42,478,025.40-63,750,215.70-19,761,737.40

Finding the Fourth Proportional to 42,478,025.40, 63,750,215.70 and 19,761,737.40

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Solution

The fourth proportional to 42,478,025.40, 63,750,215.70 and 19,761,737.40 is: 29,658,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,478,025.40 : 63,750,215.70 = 19,761,737.40 : x
  2. Step 2: Convert to fraction form
    42,478,025.40/63,750,215.70 = 19,761,737.40/x
  3. Step 3: Cross multiply
    42,478,025.40x = 63,750,215.70 × 19,761,737.40
  4. Step 4: Simplify right side
    42,478,025.40x = 1,259,815,021,856,757.25
  5. Step 5: Solve for x
    x = 1,259,815,021,856,757.25/42,478,025.40
  6. Step 6: Final answer
    x = 29,658,041.07

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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.