Home / 12,895,726.78-17,796,218.54-7,015,489.10

Finding the Fourth Proportional to 12,895,726.78, 17,796,218.54 and 7,015,489.10

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Solution

The fourth proportional to 12,895,726.78, 17,796,218.54 and 7,015,489.10 is: 9,681,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895,726.78 : 17,796,218.54 = 7,015,489.10 : x
  2. Step 2: Convert to fraction form
    12,895,726.78/17,796,218.54 = 7,015,489.10/x
  3. Step 3: Cross multiply
    12,895,726.78x = 17,796,218.54 × 7,015,489.10
  4. Step 4: Simplify right side
    12,895,726.78x = 124,849,177,082,068.11
  5. Step 5: Solve for x
    x = 124,849,177,082,068.11/12,895,726.78
  6. Step 6: Final answer
    x = 9,681,437.83

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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.