Home / 7,164,726.81-9,887,225.37-4,067,223.12

Finding the Fourth Proportional to 7,164,726.81, 9,887,225.37 and 4,067,223.12

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Solution

The fourth proportional to 7,164,726.81, 9,887,225.37 and 4,067,223.12 is: 5,612,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,726.81 : 9,887,225.37 = 4,067,223.12 : x
  2. Step 2: Convert to fraction form
    7,164,726.81/9,887,225.37 = 4,067,223.12/x
  3. Step 3: Cross multiply
    7,164,726.81x = 9,887,225.37 × 4,067,223.12
  4. Step 4: Simplify right side
    7,164,726.81x = 40,213,551,617,514.55
  5. Step 5: Solve for x
    x = 40,213,551,617,514.55/7,164,726.81
  6. Step 6: Final answer
    x = 5,612,712.48

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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.