Home / 12,882,998.20-17,778,758.49-7,082,024.44

Finding the Fourth Proportional to 12,882,998.20, 17,778,758.49 and 7,082,024.44

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Solution

The fourth proportional to 12,882,998.20, 17,778,758.49 and 7,082,024.44 is: 9,773,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,998.20 : 17,778,758.49 = 7,082,024.44 : x
  2. Step 2: Convert to fraction form
    12,882,998.20/17,778,758.49 = 7,082,024.44/x
  3. Step 3: Cross multiply
    12,882,998.20x = 17,778,758.49 × 7,082,024.44
  4. Step 4: Simplify right side
    12,882,998.20x = 125,909,602,139,037.48
  5. Step 5: Solve for x
    x = 125,909,602,139,037.48/12,882,998.20
  6. Step 6: Final answer
    x = 9,773,315.20

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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.