Home / 9,459,960.40-14,189,940.60-8,730,053.20

Finding the Fourth Proportional to 9,459,960.40, 14,189,940.60 and 8,730,053.20

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Solution

The fourth proportional to 9,459,960.40, 14,189,940.60 and 8,730,053.20 is: 13,095,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459,960.40 : 14,189,940.60 = 8,730,053.20 : x
  2. Step 2: Convert to fraction form
    9,459,960.40/14,189,940.60 = 8,730,053.20/x
  3. Step 3: Cross multiply
    9,459,960.40x = 14,189,940.60 × 8,730,053.20
  4. Step 4: Simplify right side
    9,459,960.40x = 123,878,936,342,839.91
  5. Step 5: Solve for x
    x = 123,878,936,342,839.91/9,459,960.40
  6. Step 6: Final answer
    x = 13,095,079.80

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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.