Home / 12,373,280.10-18,559,920.15-11,071,577.70

Finding the Fourth Proportional to 12,373,280.10, 18,559,920.15 and 11,071,577.70

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Solution

The fourth proportional to 12,373,280.10, 18,559,920.15 and 11,071,577.70 is: 16,607,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373,280.10 : 18,559,920.15 = 11,071,577.70 : x
  2. Step 2: Convert to fraction form
    12,373,280.10/18,559,920.15 = 11,071,577.70/x
  3. Step 3: Cross multiply
    12,373,280.10x = 18,559,920.15 × 11,071,577.70
  4. Step 4: Simplify right side
    12,373,280.10x = 205,487,598,046,520.62
  5. Step 5: Solve for x
    x = 205,487,598,046,520.62/12,373,280.10
  6. Step 6: Final answer
    x = 16,607,366.55

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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.