Home / 42,670,503.72-63,979,836.28-16,731,729.94

Finding the Fourth Proportional to 42,670,503.72, 63,979,836.28 and 16,731,729.94

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Solution

The fourth proportional to 42,670,503.72, 63,979,836.28 and 16,731,729.94 is: 25,087,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670,503.72 : 63,979,836.28 = 16,731,729.94 : x
  2. Step 2: Convert to fraction form
    42,670,503.72/63,979,836.28 = 16,731,729.94/x
  3. Step 3: Cross multiply
    42,670,503.72x = 63,979,836.28 × 16,731,729.94
  4. Step 4: Simplify right side
    42,670,503.72x = 1,070,493,342,242,374.25
  5. Step 5: Solve for x
    x = 1,070,493,342,242,374.25/42,670,503.72
  6. Step 6: Final answer
    x = 25,087,431.57

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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.