Home / 8,161,719.40-12,228,582.30-3,892,695.40

Finding the Fourth Proportional to 8,161,719.40, 12,228,582.30 and 3,892,695.40

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Solution

The fourth proportional to 8,161,719.40, 12,228,582.30 and 3,892,695.40 is: 5,832,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,719.40 : 12,228,582.30 = 3,892,695.40 : x
  2. Step 2: Convert to fraction form
    8,161,719.40/12,228,582.30 = 3,892,695.40/x
  3. Step 3: Cross multiply
    8,161,719.40x = 12,228,582.30 × 3,892,695.40
  4. Step 4: Simplify right side
    8,161,719.40x = 47,602,146,067,731.42
  5. Step 5: Solve for x
    x = 47,602,146,067,731.42/8,161,719.40
  6. Step 6: Final answer
    x = 5,832,367.39

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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.