Home / 20,086,000.60-30,129,000.90-4,939,932.10

Finding the Fourth Proportional to 20,086,000.60, 30,129,000.90 and 4,939,932.10

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Solution

The fourth proportional to 20,086,000.60, 30,129,000.90 and 4,939,932.10 is: 7,409,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,086,000.60 : 30,129,000.90 = 4,939,932.10 : x
  2. Step 2: Convert to fraction form
    20,086,000.60/30,129,000.90 = 4,939,932.10/x
  3. Step 3: Cross multiply
    20,086,000.60x = 30,129,000.90 × 4,939,932.10
  4. Step 4: Simplify right side
    20,086,000.60x = 148,835,218,686,838.88
  5. Step 5: Solve for x
    x = 148,835,218,686,838.88/20,086,000.60
  6. Step 6: Final answer
    x = 7,409,898.15

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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.