Home / 42,658,013.92-63,993,656.40-13,897,454.08

Finding the Fourth Proportional to 42,658,013.92, 63,993,656.40 and 13,897,454.08

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Solution

The fourth proportional to 42,658,013.92, 63,993,656.40 and 13,897,454.08 is: 20,848,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,658,013.92 : 63,993,656.40 = 13,897,454.08 : x
  2. Step 2: Convert to fraction form
    42,658,013.92/63,993,656.40 = 13,897,454.08/x
  3. Step 3: Cross multiply
    42,658,013.92x = 63,993,656.40 × 13,897,454.08
  4. Step 4: Simplify right side
    42,658,013.92x = 889,348,901,230,298.12
  5. Step 5: Solve for x
    x = 889,348,901,230,298.12/42,658,013.92
  6. Step 6: Final answer
    x = 20,848,342.89

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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.