Home / 14,278,613.60-21,417,920.40-13,656,630.80

Finding the Fourth Proportional to 14,278,613.60, 21,417,920.40 and 13,656,630.80

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Solution

The fourth proportional to 14,278,613.60, 21,417,920.40 and 13,656,630.80 is: 20,484,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,613.60 : 21,417,920.40 = 13,656,630.80 : x
  2. Step 2: Convert to fraction form
    14,278,613.60/21,417,920.40 = 13,656,630.80/x
  3. Step 3: Cross multiply
    14,278,613.60x = 21,417,920.40 × 13,656,630.80
  4. Step 4: Simplify right side
    14,278,613.60x = 292,496,631,406,588.31
  5. Step 5: Solve for x
    x = 292,496,631,406,588.31/14,278,613.60
  6. Step 6: Final answer
    x = 20,484,946.20

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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.