Home / 20,097,260.60-30,145,890.90-12,444,510.20

Finding the Fourth Proportional to 20,097,260.60, 30,145,890.90 and 12,444,510.20

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Solution

The fourth proportional to 20,097,260.60, 30,145,890.90 and 12,444,510.20 is: 18,666,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097,260.60 : 30,145,890.90 = 12,444,510.20 : x
  2. Step 2: Convert to fraction form
    20,097,260.60/30,145,890.90 = 12,444,510.20/x
  3. Step 3: Cross multiply
    20,097,260.60x = 30,145,890.90 × 12,444,510.20
  4. Step 4: Simplify right side
    20,097,260.60x = 375,150,846,793,137.12
  5. Step 5: Solve for x
    x = 375,150,846,793,137.12/20,097,260.60
  6. Step 6: Final answer
    x = 18,666,765.30

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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.