Home / 8,311,397.10-12,467,095.65-5,122,751.10

Finding the Fourth Proportional to 8,311,397.10, 12,467,095.65 and 5,122,751.10

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Solution

The fourth proportional to 8,311,397.10, 12,467,095.65 and 5,122,751.10 is: 7,684,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,397.10 : 12,467,095.65 = 5,122,751.10 : x
  2. Step 2: Convert to fraction form
    8,311,397.10/12,467,095.65 = 5,122,751.10/x
  3. Step 3: Cross multiply
    8,311,397.10x = 12,467,095.65 × 5,122,751.10
  4. Step 4: Simplify right side
    8,311,397.10x = 63,865,827,954,842.71
  5. Step 5: Solve for x
    x = 63,865,827,954,842.71/8,311,397.10
  6. Step 6: Final answer
    x = 7,684,126.65

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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.