Home / 20,079,009.20-30,118,513.80-6,614,087.60

Finding the Fourth Proportional to 20,079,009.20, 30,118,513.80 and 6,614,087.60

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Solution

The fourth proportional to 20,079,009.20, 30,118,513.80 and 6,614,087.60 is: 9,921,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079,009.20 : 30,118,513.80 = 6,614,087.60 : x
  2. Step 2: Convert to fraction form
    20,079,009.20/30,118,513.80 = 6,614,087.60/x
  3. Step 3: Cross multiply
    20,079,009.20x = 30,118,513.80 × 6,614,087.60
  4. Step 4: Simplify right side
    20,079,009.20x = 199,206,488,655,008.88
  5. Step 5: Solve for x
    x = 199,206,488,655,008.88/20,079,009.20
  6. Step 6: Final answer
    x = 9,921,131.40

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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.