Home / 10,368,001.05-15,552,001.58-7,813,325.85

Finding the Fourth Proportional to 10,368,001.05, 15,552,001.58 and 7,813,325.85

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Solution

The fourth proportional to 10,368,001.05, 15,552,001.58 and 7,813,325.85 is: 11,719,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,001.05 : 15,552,001.58 = 7,813,325.85 : x
  2. Step 2: Convert to fraction form
    10,368,001.05/15,552,001.58 = 7,813,325.85/x
  3. Step 3: Cross multiply
    10,368,001.05x = 15,552,001.58 × 7,813,325.85
  4. Step 4: Simplify right side
    10,368,001.05x = 121,512,855,925,188.20
  5. Step 5: Solve for x
    x = 121,512,855,925,188.20/10,368,001.05
  6. Step 6: Final answer
    x = 11,719,988.78

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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.