Home / 11,520,727.20-17,281,090.80-8,319,088.80

Finding the Fourth Proportional to 11,520,727.20, 17,281,090.80 and 8,319,088.80

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Solution

The fourth proportional to 11,520,727.20, 17,281,090.80 and 8,319,088.80 is: 12,478,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520,727.20 : 17,281,090.80 = 8,319,088.80 : x
  2. Step 2: Convert to fraction form
    11,520,727.20/17,281,090.80 = 8,319,088.80/x
  3. Step 3: Cross multiply
    11,520,727.20x = 17,281,090.80 × 8,319,088.80
  4. Step 4: Simplify right side
    11,520,727.20x = 143,762,928,926,063.03
  5. Step 5: Solve for x
    x = 143,762,928,926,063.03/11,520,727.20
  6. Step 6: Final answer
    x = 12,478,633.20

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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.