Home / 12,771,207.10-19,156,810.65-12,141,351.10

Finding the Fourth Proportional to 12,771,207.10, 19,156,810.65 and 12,141,351.10

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Solution

The fourth proportional to 12,771,207.10, 19,156,810.65 and 12,141,351.10 is: 18,212,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,207.10 : 19,156,810.65 = 12,141,351.10 : x
  2. Step 2: Convert to fraction form
    12,771,207.10/19,156,810.65 = 12,141,351.10/x
  3. Step 3: Cross multiply
    12,771,207.10x = 19,156,810.65 × 12,141,351.10
  4. Step 4: Simplify right side
    12,771,207.10x = 232,589,564,057,869.19
  5. Step 5: Solve for x
    x = 232,589,564,057,869.19/12,771,207.10
  6. Step 6: Final answer
    x = 18,212,026.65

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Similar ratio
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1.5x scale

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.