Home / 12,773,187.10-19,159,780.65-12,143,331.10

Finding the Fourth Proportional to 12,773,187.10, 19,159,780.65 and 12,143,331.10

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Solution

The fourth proportional to 12,773,187.10, 19,159,780.65 and 12,143,331.10 is: 18,214,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773,187.10 : 19,159,780.65 = 12,143,331.10 : x
  2. Step 2: Convert to fraction form
    12,773,187.10/19,159,780.65 = 12,143,331.10/x
  3. Step 3: Cross multiply
    12,773,187.10x = 19,159,780.65 × 12,143,331.10
  4. Step 4: Simplify right side
    12,773,187.10x = 232,663,560,236,323.19
  5. Step 5: Solve for x
    x = 232,663,560,236,323.19/12,773,187.10
  6. Step 6: Final answer
    x = 18,214,996.65

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Double scale
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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.