Home / 8,748,221.20-13,122,331.80-8,216,780.20

Finding the Fourth Proportional to 8,748,221.20, 13,122,331.80 and 8,216,780.20

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Solution

The fourth proportional to 8,748,221.20, 13,122,331.80 and 8,216,780.20 is: 12,325,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,221.20 : 13,122,331.80 = 8,216,780.20 : x
  2. Step 2: Convert to fraction form
    8,748,221.20/13,122,331.80 = 8,216,780.20/x
  3. Step 3: Cross multiply
    8,748,221.20x = 13,122,331.80 × 8,216,780.20
  4. Step 4: Simplify right side
    8,748,221.20x = 107,823,316,112,070.38
  5. Step 5: Solve for x
    x = 107,823,316,112,070.38/8,748,221.20
  6. Step 6: Final answer
    x = 12,325,170.30

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1.5x scale

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.