Home / 9,659,813.60-14,489,720.40-8,614,719.20

Finding the Fourth Proportional to 9,659,813.60, 14,489,720.40 and 8,614,719.20

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Solution

The fourth proportional to 9,659,813.60, 14,489,720.40 and 8,614,719.20 is: 12,922,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,813.60 : 14,489,720.40 = 8,614,719.20 : x
  2. Step 2: Convert to fraction form
    9,659,813.60/14,489,720.40 = 8,614,719.20/x
  3. Step 3: Cross multiply
    9,659,813.60x = 14,489,720.40 × 8,614,719.20
  4. Step 4: Simplify right side
    9,659,813.60x = 124,824,872,532,511.67
  5. Step 5: Solve for x
    x = 124,824,872,532,511.67/9,659,813.60
  6. Step 6: Final answer
    x = 12,922,078.80

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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.