Home / 19,900,441.80-29,825,463.60-9,667,643.76

Finding the Fourth Proportional to 19,900,441.80, 29,825,463.60 and 9,667,643.76

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Solution

The fourth proportional to 19,900,441.80, 29,825,463.60 and 9,667,643.76 is: 14,489,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900,441.80 : 29,825,463.60 = 9,667,643.76 : x
  2. Step 2: Convert to fraction form
    19,900,441.80/29,825,463.60 = 9,667,643.76/x
  3. Step 3: Cross multiply
    19,900,441.80x = 29,825,463.60 × 9,667,643.76
  4. Step 4: Simplify right side
    19,900,441.80x = 288,341,957,061,647.12
  5. Step 5: Solve for x
    x = 288,341,957,061,647.12/19,900,441.80
  6. Step 6: Final answer
    x = 14,489,223.91

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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.