Home / 20,185,753.66-30,267,990.52-8,812,916.26

Finding the Fourth Proportional to 20,185,753.66, 30,267,990.52 and 8,812,916.26

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Solution

The fourth proportional to 20,185,753.66, 30,267,990.52 and 8,812,916.26 is: 13,214,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,753.66 : 30,267,990.52 = 8,812,916.26 : x
  2. Step 2: Convert to fraction form
    20,185,753.66/30,267,990.52 = 8,812,916.26/x
  3. Step 3: Cross multiply
    20,185,753.66x = 30,267,990.52 × 8,812,916.26
  4. Step 4: Simplify right side
    20,185,753.66x = 266,749,265,811,233.84
  5. Step 5: Solve for x
    x = 266,749,265,811,233.84/20,185,753.66
  6. Step 6: Final answer
    x = 13,214,729.08

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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.