Home / 7,691,989.35-11,538,003.57-3,143,038.16

Finding the Fourth Proportional to 7,691,989.35, 11,538,003.57 and 3,143,038.16

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Solution

The fourth proportional to 7,691,989.35, 11,538,003.57 and 3,143,038.16 is: 4,714,565.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,989.35 : 11,538,003.57 = 3,143,038.16 : x
  2. Step 2: Convert to fraction form
    7,691,989.35/11,538,003.57 = 3,143,038.16/x
  3. Step 3: Cross multiply
    7,691,989.35x = 11,538,003.57 × 3,143,038.16
  4. Step 4: Simplify right side
    7,691,989.35x = 36,264,385,510,726.23
  5. Step 5: Solve for x
    x = 36,264,385,510,726.23/7,691,989.35
  6. Step 6: Final answer
    x = 4,714,565.23

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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.