Home / 12,293,620.80-18,398,440.80-10,781,966.40

Finding the Fourth Proportional to 12,293,620.80, 18,398,440.80 and 10,781,966.40

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Solution

The fourth proportional to 12,293,620.80, 18,398,440.80 and 10,781,966.40 is: 16,136,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,620.80 : 18,398,440.80 = 10,781,966.40 : x
  2. Step 2: Convert to fraction form
    12,293,620.80/18,398,440.80 = 10,781,966.40/x
  3. Step 3: Cross multiply
    12,293,620.80x = 18,398,440.80 × 10,781,966.40
  4. Step 4: Simplify right side
    12,293,620.80x = 198,371,370,517,989.12
  5. Step 5: Solve for x
    x = 198,371,370,517,989.12/12,293,620.80
  6. Step 6: Final answer
    x = 16,136,122.44

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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.