Home / 12,170,767.80-18,259,030.98-3,973,366.20

Finding the Fourth Proportional to 12,170,767.80, 18,259,030.98 and 3,973,366.20

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Solution

The fourth proportional to 12,170,767.80, 18,259,030.98 and 3,973,366.20 is: 5,960,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170,767.80 : 18,259,030.98 = 3,973,366.20 : x
  2. Step 2: Convert to fraction form
    12,170,767.80/18,259,030.98 = 3,973,366.20/x
  3. Step 3: Cross multiply
    12,170,767.80x = 18,259,030.98 × 3,973,366.20
  4. Step 4: Simplify right side
    12,170,767.80x = 72,549,816,540,684.88
  5. Step 5: Solve for x
    x = 72,549,816,540,684.88/12,170,767.80
  6. Step 6: Final answer
    x = 5,960,989.29

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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.