Home / 13,862,423.20-20,793,634.80-9,831,344.80

Finding the Fourth Proportional to 13,862,423.20, 20,793,634.80 and 9,831,344.80

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Solution

The fourth proportional to 13,862,423.20, 20,793,634.80 and 9,831,344.80 is: 14,747,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862,423.20 : 20,793,634.80 = 9,831,344.80 : x
  2. Step 2: Convert to fraction form
    13,862,423.20/20,793,634.80 = 9,831,344.80/x
  3. Step 3: Cross multiply
    13,862,423.20x = 20,793,634.80 × 9,831,344.80
  4. Step 4: Simplify right side
    13,862,423.20x = 204,429,393,364,079.06
  5. Step 5: Solve for x
    x = 204,429,393,364,079.06/13,862,423.20
  6. Step 6: Final answer
    x = 14,747,017.20

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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.