Home / 14,196,279.40-21,294,419.10-8,522,909.80

Finding the Fourth Proportional to 14,196,279.40, 21,294,419.10 and 8,522,909.80

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Solution

The fourth proportional to 14,196,279.40, 21,294,419.10 and 8,522,909.80 is: 12,784,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,196,279.40 : 21,294,419.10 = 8,522,909.80 : x
  2. Step 2: Convert to fraction form
    14,196,279.40/21,294,419.10 = 8,522,909.80/x
  3. Step 3: Cross multiply
    14,196,279.40x = 21,294,419.10 × 8,522,909.80
  4. Step 4: Simplify right side
    14,196,279.40x = 181,490,413,232,697.22
  5. Step 5: Solve for x
    x = 181,490,413,232,697.22/14,196,279.40
  6. Step 6: Final answer
    x = 12,784,364.70

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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.