Home / 13,172,215.52-19,761,579.60-9,376,268

Finding the Fourth Proportional to 13,172,215.52, 19,761,579.60 and 9,376,268

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Solution

The fourth proportional to 13,172,215.52, 19,761,579.60 and 9,376,268 is: 14,066,719.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172,215.52 : 19,761,579.60 = 9,376,268 : x
  2. Step 2: Convert to fraction form
    13,172,215.52/19,761,579.60 = 9,376,268/x
  3. Step 3: Cross multiply
    13,172,215.52x = 19,761,579.60 × 9,376,268
  4. Step 4: Simplify right side
    13,172,215.52x = 185,289,866,432,932.81
  5. Step 5: Solve for x
    x = 185,289,866,432,932.81/13,172,215.52
  6. Step 6: Final answer
    x = 14,066,719.92

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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.