Home / 42,788,265.36-64,185,082.85-12,085,248.77

Finding the Fourth Proportional to 42,788,265.36, 64,185,082.85 and 12,085,248.77

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Solution

The fourth proportional to 42,788,265.36, 64,185,082.85 and 12,085,248.77 is: 18,128,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,788,265.36 : 64,185,082.85 = 12,085,248.77 : x
  2. Step 2: Convert to fraction form
    42,788,265.36/64,185,082.85 = 12,085,248.77/x
  3. Step 3: Cross multiply
    42,788,265.36x = 64,185,082.85 × 12,085,248.77
  4. Step 4: Simplify right side
    42,788,265.36x = 775,692,693,565,310.62
  5. Step 5: Solve for x
    x = 775,692,693,565,310.62/42,788,265.36
  6. Step 6: Final answer
    x = 18,128,631.46

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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.