Home / 20,753,670.80-31,046,525.40-18,234,246.80

Finding the Fourth Proportional to 20,753,670.80, 31,046,525.40 and 18,234,246.80

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Solution

The fourth proportional to 20,753,670.80, 31,046,525.40 and 18,234,246.80 is: 27,277,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753,670.80 : 31,046,525.40 = 18,234,246.80 : x
  2. Step 2: Convert to fraction form
    20,753,670.80/31,046,525.40 = 18,234,246.80/x
  3. Step 3: Cross multiply
    20,753,670.80x = 31,046,525.40 × 18,234,246.80
  4. Step 4: Simplify right side
    20,753,670.80x = 566,110,006,426,068.75
  5. Step 5: Solve for x
    x = 566,110,006,426,068.75/20,753,670.80
  6. Step 6: Final answer
    x = 27,277,584.38

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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.