Home / 8,997,332.40-13,495,998.60-8,129,530.80

Finding the Fourth Proportional to 8,997,332.40, 13,495,998.60 and 8,129,530.80

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Solution

The fourth proportional to 8,997,332.40, 13,495,998.60 and 8,129,530.80 is: 12,194,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997,332.40 : 13,495,998.60 = 8,129,530.80 : x
  2. Step 2: Convert to fraction form
    8,997,332.40/13,495,998.60 = 8,129,530.80/x
  3. Step 3: Cross multiply
    8,997,332.40x = 13,495,998.60 × 8,129,530.80
  4. Step 4: Simplify right side
    8,997,332.40x = 109,716,136,295,456.88
  5. Step 5: Solve for x
    x = 109,716,136,295,456.88/8,997,332.40
  6. Step 6: Final answer
    x = 12,194,296.20

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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.