Home / 42,670,506.72-63,979,840.78-16,731,732.94

Finding the Fourth Proportional to 42,670,506.72, 63,979,840.78 and 16,731,732.94

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Solution

The fourth proportional to 42,670,506.72, 63,979,840.78 and 16,731,732.94 is: 25,087,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670,506.72 : 63,979,840.78 = 16,731,732.94 : x
  2. Step 2: Convert to fraction form
    42,670,506.72/63,979,840.78 = 16,731,732.94/x
  3. Step 3: Cross multiply
    42,670,506.72x = 63,979,840.78 × 16,731,732.94
  4. Step 4: Simplify right side
    42,670,506.72x = 1,070,493,609,474,681.25
  5. Step 5: Solve for x
    x = 1,070,493,609,474,681.25/42,670,506.72
  6. Step 6: Final answer
    x = 25,087,436.07

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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.