Home / 12,912,140.10-19,368,210.15-6,193,676.10

Finding the Fourth Proportional to 12,912,140.10, 19,368,210.15 and 6,193,676.10

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Solution

The fourth proportional to 12,912,140.10, 19,368,210.15 and 6,193,676.10 is: 9,290,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,140.10 : 19,368,210.15 = 6,193,676.10 : x
  2. Step 2: Convert to fraction form
    12,912,140.10/19,368,210.15 = 6,193,676.10/x
  3. Step 3: Cross multiply
    12,912,140.10x = 19,368,210.15 × 6,193,676.10
  4. Step 4: Simplify right side
    12,912,140.10x = 119,960,420,305,832.41
  5. Step 5: Solve for x
    x = 119,960,420,305,832.41/12,912,140.10
  6. Step 6: Final answer
    x = 9,290,514.15

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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.