Home / 21,303,781.83-31,957,017.99-9,005,451.90

Finding the Fourth Proportional to 21,303,781.83, 31,957,017.99 and 9,005,451.90

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Solution

The fourth proportional to 21,303,781.83, 31,957,017.99 and 9,005,451.90 is: 13,508,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303,781.83 : 31,957,017.99 = 9,005,451.90 : x
  2. Step 2: Convert to fraction form
    21,303,781.83/31,957,017.99 = 9,005,451.90/x
  3. Step 3: Cross multiply
    21,303,781.83x = 31,957,017.99 × 9,005,451.90
  4. Step 4: Simplify right side
    21,303,781.83x = 287,787,388,376,379.69
  5. Step 5: Solve for x
    x = 287,787,388,376,379.69/21,303,781.83
  6. Step 6: Final answer
    x = 13,508,746.51

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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.