Home / 12,115,210.46-16,719,097.13-6,608,609.80

Finding the Fourth Proportional to 12,115,210.46, 16,719,097.13 and 6,608,609.80

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Solution

The fourth proportional to 12,115,210.46, 16,719,097.13 and 6,608,609.80 is: 9,119,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,210.46 : 16,719,097.13 = 6,608,609.80 : x
  2. Step 2: Convert to fraction form
    12,115,210.46/16,719,097.13 = 6,608,609.80/x
  3. Step 3: Cross multiply
    12,115,210.46x = 16,719,097.13 × 6,608,609.80
  4. Step 4: Simplify right side
    12,115,210.46x = 110,489,989,156,017.25
  5. Step 5: Solve for x
    x = 110,489,989,156,017.25/12,115,210.46
  6. Step 6: Final answer
    x = 9,119,939.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.