Home / 27,565,385.80-41,348,078.70-20,390,932.30

Finding the Fourth Proportional to 27,565,385.80, 41,348,078.70 and 20,390,932.30

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Solution

The fourth proportional to 27,565,385.80, 41,348,078.70 and 20,390,932.30 is: 30,586,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565,385.80 : 41,348,078.70 = 20,390,932.30 : x
  2. Step 2: Convert to fraction form
    27,565,385.80/41,348,078.70 = 20,390,932.30/x
  3. Step 3: Cross multiply
    27,565,385.80x = 41,348,078.70 × 20,390,932.30
  4. Step 4: Simplify right side
    27,565,385.80x = 843,125,873,506,772.12
  5. Step 5: Solve for x
    x = 843,125,873,506,772.12/27,565,385.80
  6. Step 6: Final answer
    x = 30,586,398.45

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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.