Home / 12,373,218.10-18,559,827.15-11,071,515.70

Finding the Fourth Proportional to 12,373,218.10, 18,559,827.15 and 11,071,515.70

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Solution

The fourth proportional to 12,373,218.10, 18,559,827.15 and 11,071,515.70 is: 16,607,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373,218.10 : 18,559,827.15 = 11,071,515.70 : x
  2. Step 2: Convert to fraction form
    12,373,218.10/18,559,827.15 = 11,071,515.70/x
  3. Step 3: Cross multiply
    12,373,218.10x = 18,559,827.15 × 11,071,515.70
  4. Step 4: Simplify right side
    12,373,218.10x = 205,485,417,680,511.22
  5. Step 5: Solve for x
    x = 205,485,417,680,511.22/12,373,218.10
  6. Step 6: Final answer
    x = 16,607,273.55

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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.