Home / 7,328,186.10-10,992,279.15-5,438,618.10

Finding the Fourth Proportional to 7,328,186.10, 10,992,279.15 and 5,438,618.10

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Solution

The fourth proportional to 7,328,186.10, 10,992,279.15 and 5,438,618.10 is: 8,157,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,186.10 : 10,992,279.15 = 5,438,618.10 : x
  2. Step 2: Convert to fraction form
    7,328,186.10/10,992,279.15 = 5,438,618.10/x
  3. Step 3: Cross multiply
    7,328,186.10x = 10,992,279.15 × 5,438,618.10
  4. Step 4: Simplify right side
    7,328,186.10x = 59,782,808,345,442.61
  5. Step 5: Solve for x
    x = 59,782,808,345,442.61/7,328,186.10
  6. Step 6: Final answer
    x = 8,157,927.15

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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.