Home / 13,871,752.20-20,807,628.30-12,192,136.20

Finding the Fourth Proportional to 13,871,752.20, 20,807,628.30 and 12,192,136.20

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Solution

The fourth proportional to 13,871,752.20, 20,807,628.30 and 12,192,136.20 is: 18,288,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871,752.20 : 20,807,628.30 = 12,192,136.20 : x
  2. Step 2: Convert to fraction form
    13,871,752.20/20,807,628.30 = 12,192,136.20/x
  3. Step 3: Cross multiply
    13,871,752.20x = 20,807,628.30 × 12,192,136.20
  4. Step 4: Simplify right side
    13,871,752.20x = 253,689,438,232,574.47
  5. Step 5: Solve for x
    x = 253,689,438,232,574.47/13,871,752.20
  6. Step 6: Final answer
    x = 18,288,204.30

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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.