Home / 7,661,113.76-10,572,369.02-4,223,279.36

Finding the Fourth Proportional to 7,661,113.76, 10,572,369.02 and 4,223,279.36

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Solution

The fourth proportional to 7,661,113.76, 10,572,369.02 and 4,223,279.36 is: 5,828,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,113.76 : 10,572,369.02 = 4,223,279.36 : x
  2. Step 2: Convert to fraction form
    7,661,113.76/10,572,369.02 = 4,223,279.36/x
  3. Step 3: Cross multiply
    7,661,113.76x = 10,572,369.02 × 4,223,279.36
  4. Step 4: Simplify right side
    7,661,113.76x = 44,650,067,868,469.43
  5. Step 5: Solve for x
    x = 44,650,067,868,469.43/7,661,113.76
  6. Step 6: Final answer
    x = 5,828,143.17

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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.