Home / 12,882,613.14-17,778,043.02-7,376,072.52

Finding the Fourth Proportional to 12,882,613.14, 17,778,043.02 and 7,376,072.52

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Solution

The fourth proportional to 12,882,613.14, 17,778,043.02 and 7,376,072.52 is: 10,179,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,613.14 : 17,778,043.02 = 7,376,072.52 : x
  2. Step 2: Convert to fraction form
    12,882,613.14/17,778,043.02 = 7,376,072.52/x
  3. Step 3: Cross multiply
    12,882,613.14x = 17,778,043.02 × 7,376,072.52
  4. Step 4: Simplify right side
    12,882,613.14x = 131,132,134,579,199.80
  5. Step 5: Solve for x
    x = 131,132,134,579,199.80/12,882,613.14
  6. Step 6: Final answer
    x = 10,179,001.20

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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.