Home / 10,502,408.10-15,753,612.15-8,376,644.10

Finding the Fourth Proportional to 10,502,408.10, 15,753,612.15 and 8,376,644.10

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Solution

The fourth proportional to 10,502,408.10, 15,753,612.15 and 8,376,644.10 is: 12,564,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,408.10 : 15,753,612.15 = 8,376,644.10 : x
  2. Step 2: Convert to fraction form
    10,502,408.10/15,753,612.15 = 8,376,644.10/x
  3. Step 3: Cross multiply
    10,502,408.10x = 15,753,612.15 × 8,376,644.10
  4. Step 4: Simplify right side
    10,502,408.10x = 131,962,402,269,985.81
  5. Step 5: Solve for x
    x = 131,962,402,269,985.81/10,502,408.10
  6. Step 6: Final answer
    x = 12,564,966.15

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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.