Home / 21,484,776.22-32,215,384.97-8,517,790.78

Finding the Fourth Proportional to 21,484,776.22, 32,215,384.97 and 8,517,790.78

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Solution

The fourth proportional to 21,484,776.22, 32,215,384.97 and 8,517,790.78 is: 12,772,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484,776.22 : 32,215,384.97 = 8,517,790.78 : x
  2. Step 2: Convert to fraction form
    21,484,776.22/32,215,384.97 = 8,517,790.78/x
  3. Step 3: Cross multiply
    21,484,776.22x = 32,215,384.97 × 8,517,790.78
  4. Step 4: Simplify right side
    21,484,776.22x = 274,403,909,071,616.53
  5. Step 5: Solve for x
    x = 274,403,909,071,616.53/21,484,776.22
  6. Step 6: Final answer
    x = 12,772,016.16

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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.