Home / 8,802,171.80-13,187,511.30-7,447,981.40

Finding the Fourth Proportional to 8,802,171.80, 13,187,511.30 and 7,447,981.40

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Solution

The fourth proportional to 8,802,171.80, 13,187,511.30 and 7,447,981.40 is: 11,158,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802,171.80 : 13,187,511.30 = 7,447,981.40 : x
  2. Step 2: Convert to fraction form
    8,802,171.80/13,187,511.30 = 7,447,981.40/x
  3. Step 3: Cross multiply
    8,802,171.80x = 13,187,511.30 × 7,447,981.40
  4. Step 4: Simplify right side
    8,802,171.80x = 98,220,338,874,689.83
  5. Step 5: Solve for x
    x = 98,220,338,874,689.83/8,802,171.80
  6. Step 6: Final answer
    x = 11,158,648.24

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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.