Home / 21,205,007.90-31,807,511.85-14,486,543.90

Finding the Fourth Proportional to 21,205,007.90, 31,807,511.85 and 14,486,543.90

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Solution

The fourth proportional to 21,205,007.90, 31,807,511.85 and 14,486,543.90 is: 21,729,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,205,007.90 : 31,807,511.85 = 14,486,543.90 : x
  2. Step 2: Convert to fraction form
    21,205,007.90/31,807,511.85 = 14,486,543.90/x
  3. Step 3: Cross multiply
    21,205,007.90x = 31,807,511.85 × 14,486,543.90
  4. Step 4: Simplify right side
    21,205,007.90x = 460,780,916,764,795.25
  5. Step 5: Solve for x
    x = 460,780,916,764,795.25/21,205,007.90
  6. Step 6: Final answer
    x = 21,729,815.85

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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.