Home / 13,896,037.20-20,862,718.20-8,869,630.80

Finding the Fourth Proportional to 13,896,037.20, 20,862,718.20 and 8,869,630.80

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Solution

The fourth proportional to 13,896,037.20, 20,862,718.20 and 8,869,630.80 is: 13,316,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896,037.20 : 20,862,718.20 = 8,869,630.80 : x
  2. Step 2: Convert to fraction form
    13,896,037.20/20,862,718.20 = 8,869,630.80/x
  3. Step 3: Cross multiply
    13,896,037.20x = 20,862,718.20 × 8,869,630.80
  4. Step 4: Simplify right side
    13,896,037.20x = 185,044,607,918,440.56
  5. Step 5: Solve for x
    x = 185,044,607,918,440.56/13,896,037.20
  6. Step 6: Final answer
    x = 13,316,358.13

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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.