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Finding the Fourth Proportional to 8,244,493.20, 11,550,154.80 and 8,244,493.20

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Solution

The fourth proportional to 8,244,493.20, 11,550,154.80 and 8,244,493.20 is: 11,550,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244,493.20 : 11,550,154.80 = 8,244,493.20 : x
  2. Step 2: Convert to fraction form
    8,244,493.20/11,550,154.80 = 8,244,493.20/x
  3. Step 3: Cross multiply
    8,244,493.20x = 11,550,154.80 × 8,244,493.20
  4. Step 4: Simplify right side
    8,244,493.20x = 95,225,172,707,547.38
  5. Step 5: Solve for x
    x = 95,225,172,707,547.38/8,244,493.20
  6. Step 6: Final answer
    x = 11,550,154.80

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.