Home / 10,429,724.10-15,644,586.15-9,170,012.10

Finding the Fourth Proportional to 10,429,724.10, 15,644,586.15 and 9,170,012.10

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Solution

The fourth proportional to 10,429,724.10, 15,644,586.15 and 9,170,012.10 is: 13,755,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,724.10 : 15,644,586.15 = 9,170,012.10 : x
  2. Step 2: Convert to fraction form
    10,429,724.10/15,644,586.15 = 9,170,012.10/x
  3. Step 3: Cross multiply
    10,429,724.10x = 15,644,586.15 × 9,170,012.10
  4. Step 4: Simplify right side
    10,429,724.10x = 143,461,044,294,992.41
  5. Step 5: Solve for x
    x = 143,461,044,294,992.41/10,429,724.10
  6. Step 6: Final answer
    x = 13,755,018.15

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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.