Home / 12,866,062.88-19,294,812.78-5,187,724.58

Finding the Fourth Proportional to 12,866,062.88, 19,294,812.78 and 5,187,724.58

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Solution

The fourth proportional to 12,866,062.88, 19,294,812.78 and 5,187,724.58 is: 7,779,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,062.88 : 19,294,812.78 = 5,187,724.58 : x
  2. Step 2: Convert to fraction form
    12,866,062.88/19,294,812.78 = 5,187,724.58/x
  3. Step 3: Cross multiply
    12,866,062.88x = 19,294,812.78 × 5,187,724.58
  4. Step 4: Simplify right side
    12,866,062.88x = 100,096,174,428,830.08
  5. Step 5: Solve for x
    x = 100,096,174,428,830.08/12,866,062.88
  6. Step 6: Final answer
    x = 7,779,860.51

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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.