Home / 7,258,220.70-10,887,331.05-7,146,246.30

Finding the Fourth Proportional to 7,258,220.70, 10,887,331.05 and 7,146,246.30

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Solution

The fourth proportional to 7,258,220.70, 10,887,331.05 and 7,146,246.30 is: 10,719,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258,220.70 : 10,887,331.05 = 7,146,246.30 : x
  2. Step 2: Convert to fraction form
    7,258,220.70/10,887,331.05 = 7,146,246.30/x
  3. Step 3: Cross multiply
    7,258,220.70x = 10,887,331.05 × 7,146,246.30
  4. Step 4: Simplify right side
    7,258,220.70x = 77,803,549,232,937.62
  5. Step 5: Solve for x
    x = 77,803,549,232,937.62/7,258,220.70
  6. Step 6: Final answer
    x = 10,719,369.45

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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.