Home / 8,428,614.79-11,631,488.40-4,561,135.93

Finding the Fourth Proportional to 8,428,614.79, 11,631,488.40 and 4,561,135.93

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Solution

The fourth proportional to 8,428,614.79, 11,631,488.40 and 4,561,135.93 is: 6,294,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,614.79 : 11,631,488.40 = 4,561,135.93 : x
  2. Step 2: Convert to fraction form
    8,428,614.79/11,631,488.40 = 4,561,135.93/x
  3. Step 3: Cross multiply
    8,428,614.79x = 11,631,488.40 × 4,561,135.93
  4. Step 4: Simplify right side
    8,428,614.79x = 53,052,799,660,618.21
  5. Step 5: Solve for x
    x = 53,052,799,660,618.21/8,428,614.79
  6. Step 6: Final answer
    x = 6,294,367.58

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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.