Home / 42,334,737.60-63,510,400.80-18,073,617.60

Finding the Fourth Proportional to 42,334,737.60, 63,510,400.80 and 18,073,617.60

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Solution

The fourth proportional to 42,334,737.60, 63,510,400.80 and 18,073,617.60 is: 27,113,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,334,737.60 : 63,510,400.80 = 18,073,617.60 : x
  2. Step 2: Convert to fraction form
    42,334,737.60/63,510,400.80 = 18,073,617.60/x
  3. Step 3: Cross multiply
    42,334,737.60x = 63,510,400.80 × 18,073,617.60
  4. Step 4: Simplify right side
    42,334,737.60x = 1,147,862,697,681,934
  5. Step 5: Solve for x
    x = 1,147,862,697,681,934/42,334,737.60
  6. Step 6: Final answer
    x = 27,113,967.46

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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.