Home / 20,160,992.20-30,241,488.30-12,098,835.40

Finding the Fourth Proportional to 20,160,992.20, 30,241,488.30 and 12,098,835.40

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Solution

The fourth proportional to 20,160,992.20, 30,241,488.30 and 12,098,835.40 is: 18,148,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,992.20 : 30,241,488.30 = 12,098,835.40 : x
  2. Step 2: Convert to fraction form
    20,160,992.20/30,241,488.30 = 12,098,835.40/x
  3. Step 3: Cross multiply
    20,160,992.20x = 30,241,488.30 × 12,098,835.40
  4. Step 4: Simplify right side
    20,160,992.20x = 365,886,789,192,725.81
  5. Step 5: Solve for x
    x = 365,886,789,192,725.81/20,160,992.20
  6. Step 6: Final answer
    x = 18,148,253.10

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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.