Home / 9,008,129.90-12,431,231.25-4,878,168.17

Finding the Fourth Proportional to 9,008,129.90, 12,431,231.25 and 4,878,168.17

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Solution

The fourth proportional to 9,008,129.90, 12,431,231.25 and 4,878,168.17 is: 6,731,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008,129.90 : 12,431,231.25 = 4,878,168.17 : x
  2. Step 2: Convert to fraction form
    9,008,129.90/12,431,231.25 = 4,878,168.17/x
  3. Step 3: Cross multiply
    9,008,129.90x = 12,431,231.25 × 4,878,168.17
  4. Step 4: Simplify right side
    9,008,129.90x = 60,641,636,597,659.31
  5. Step 5: Solve for x
    x = 60,641,636,597,659.31/9,008,129.90
  6. Step 6: Final answer
    x = 6,731,878.57

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.