Home / 12,827,789.62-19,239,278.72-6,436,325.86

Finding the Fourth Proportional to 12,827,789.62, 19,239,278.72 and 6,436,325.86

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Solution

The fourth proportional to 12,827,789.62, 19,239,278.72 and 6,436,325.86 is: 9,653,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827,789.62 : 19,239,278.72 = 6,436,325.86 : x
  2. Step 2: Convert to fraction form
    12,827,789.62/19,239,278.72 = 6,436,325.86/x
  3. Step 3: Cross multiply
    12,827,789.62x = 19,239,278.72 × 6,436,325.86
  4. Step 4: Simplify right side
    12,827,789.62x = 123,830,267,153,283.70
  5. Step 5: Solve for x
    x = 123,830,267,153,283.70/12,827,789.62
  6. Step 6: Final answer
    x = 9,653,281.73

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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.