Home / 12,723,819.08-19,097,685.90-6,662,900.36

Finding the Fourth Proportional to 12,723,819.08, 19,097,685.90 and 6,662,900.36

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Solution

The fourth proportional to 12,723,819.08, 19,097,685.90 and 6,662,900.36 is: 10,000,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723,819.08 : 19,097,685.90 = 6,662,900.36 : x
  2. Step 2: Convert to fraction form
    12,723,819.08/19,097,685.90 = 6,662,900.36/x
  3. Step 3: Cross multiply
    12,723,819.08x = 19,097,685.90 × 6,662,900.36
  4. Step 4: Simplify right side
    12,723,819.08x = 127,245,978,258,276.92
  5. Step 5: Solve for x
    x = 127,245,978,258,276.92/12,723,819.08
  6. Step 6: Final answer
    x = 10,000,612.04

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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.