Home / 20,347,320.20-30,520,980.30-6,884,148.20

Finding the Fourth Proportional to 20,347,320.20, 30,520,980.30 and 6,884,148.20

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Solution

The fourth proportional to 20,347,320.20, 30,520,980.30 and 6,884,148.20 is: 10,326,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347,320.20 : 30,520,980.30 = 6,884,148.20 : x
  2. Step 2: Convert to fraction form
    20,347,320.20/30,520,980.30 = 6,884,148.20/x
  3. Step 3: Cross multiply
    20,347,320.20x = 30,520,980.30 × 6,884,148.20
  4. Step 4: Simplify right side
    20,347,320.20x = 210,110,951,594,480.47
  5. Step 5: Solve for x
    x = 210,110,951,594,480.47/20,347,320.20
  6. Step 6: Final answer
    x = 10,326,222.30

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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.