Home / 18,782,613.81-25,914,123.80-10,521,560.30

Finding the Fourth Proportional to 18,782,613.81, 25,914,123.80 and 10,521,560.30

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Solution

The fourth proportional to 18,782,613.81, 25,914,123.80 and 10,521,560.30 is: 14,516,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782,613.81 : 25,914,123.80 = 10,521,560.30 : x
  2. Step 2: Convert to fraction form
    18,782,613.81/25,914,123.80 = 10,521,560.30/x
  3. Step 3: Cross multiply
    18,782,613.81x = 25,914,123.80 × 10,521,560.30
  4. Step 4: Simplify right side
    18,782,613.81x = 272,657,016,001,186.75
  5. Step 5: Solve for x
    x = 272,657,016,001,186.75/18,782,613.81
  6. Step 6: Final answer
    x = 14,516,457.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.