Home / 8,577,379.12-11,836,989.93-4,657,301.92

Finding the Fourth Proportional to 8,577,379.12, 11,836,989.93 and 4,657,301.92

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Solution

The fourth proportional to 8,577,379.12, 11,836,989.93 and 4,657,301.92 is: 6,427,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577,379.12 : 11,836,989.93 = 4,657,301.92 : x
  2. Step 2: Convert to fraction form
    8,577,379.12/11,836,989.93 = 4,657,301.92/x
  3. Step 3: Cross multiply
    8,577,379.12x = 11,836,989.93 × 4,657,301.92
  4. Step 4: Simplify right side
    8,577,379.12x = 55,128,435,928,009.66
  5. Step 5: Solve for x
    x = 55,128,435,928,009.66/8,577,379.12
  6. Step 6: Final answer
    x = 6,427,188.91

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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.