Home / 42,372,611.78-63,578,464.95-19,350,603.86

Finding the Fourth Proportional to 42,372,611.78, 63,578,464.95 and 19,350,603.86

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Solution

The fourth proportional to 42,372,611.78, 63,578,464.95 and 19,350,603.86 is: 29,034,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,372,611.78 : 63,578,464.95 = 19,350,603.86 : x
  2. Step 2: Convert to fraction form
    42,372,611.78/63,578,464.95 = 19,350,603.86/x
  3. Step 3: Cross multiply
    42,372,611.78x = 63,578,464.95 × 19,350,603.86
  4. Step 4: Simplify right side
    42,372,611.78x = 1,230,281,689,274,344.75
  5. Step 5: Solve for x
    x = 1,230,281,689,274,344.75/42,372,611.78
  6. Step 6: Final answer
    x = 29,034,832.59

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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.