Home / 18,832,129.71-28,236,038.09-8,056,459.95

Finding the Fourth Proportional to 18,832,129.71, 28,236,038.09 and 8,056,459.95

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Solution

The fourth proportional to 18,832,129.71, 28,236,038.09 and 8,056,459.95 is: 12,079,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832,129.71 : 28,236,038.09 = 8,056,459.95 : x
  2. Step 2: Convert to fraction form
    18,832,129.71/28,236,038.09 = 8,056,459.95/x
  3. Step 3: Cross multiply
    18,832,129.71x = 28,236,038.09 × 8,056,459.95
  4. Step 4: Simplify right side
    18,832,129.71x = 227,482,509,978,477.22
  5. Step 5: Solve for x
    x = 227,482,509,978,477.22/18,832,129.71
  6. Step 6: Final answer
    x = 12,079,489.33

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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.