Home / 12,239,380.80-18,359,071.20-10,916,683.20

Finding the Fourth Proportional to 12,239,380.80, 18,359,071.20 and 10,916,683.20

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Solution

The fourth proportional to 12,239,380.80, 18,359,071.20 and 10,916,683.20 is: 16,375,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,380.80 : 18,359,071.20 = 10,916,683.20 : x
  2. Step 2: Convert to fraction form
    12,239,380.80/18,359,071.20 = 10,916,683.20/x
  3. Step 3: Cross multiply
    12,239,380.80x = 18,359,071.20 × 10,916,683.20
  4. Step 4: Simplify right side
    12,239,380.80x = 200,420,164,136,643.81
  5. Step 5: Solve for x
    x = 200,420,164,136,643.81/12,239,380.80
  6. Step 6: Final answer
    x = 16,375,024.80

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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.