Home / 19,251,932.30-28,885,674.45-8,471,285.90

Finding the Fourth Proportional to 19,251,932.30, 28,885,674.45 and 8,471,285.90

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Solution

The fourth proportional to 19,251,932.30, 28,885,674.45 and 8,471,285.90 is: 12,710,350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,932.30 : 28,885,674.45 = 8,471,285.90 : x
  2. Step 2: Convert to fraction form
    19,251,932.30/28,885,674.45 = 8,471,285.90/x
  3. Step 3: Cross multiply
    19,251,932.30x = 28,885,674.45 × 8,471,285.90
  4. Step 4: Simplify right side
    19,251,932.30x = 244,698,806,680,275.25
  5. Step 5: Solve for x
    x = 244,698,806,680,275.25/19,251,932.30
  6. Step 6: Final answer
    x = 12,710,350.47

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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.