Home / 13,780,808.20-20,671,212.30-9,670,997.80

Finding the Fourth Proportional to 13,780,808.20, 20,671,212.30 and 9,670,997.80

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Solution

The fourth proportional to 13,780,808.20, 20,671,212.30 and 9,670,997.80 is: 14,506,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,808.20 : 20,671,212.30 = 9,670,997.80 : x
  2. Step 2: Convert to fraction form
    13,780,808.20/20,671,212.30 = 9,670,997.80/x
  3. Step 3: Cross multiply
    13,780,808.20x = 20,671,212.30 × 9,670,997.80
  4. Step 4: Simplify right side
    13,780,808.20x = 199,911,248,676,632.97
  5. Step 5: Solve for x
    x = 199,911,248,676,632.97/13,780,808.20
  6. Step 6: Final answer
    x = 14,506,496.70

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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.