Home / 19,908,873.30-27,459,575.55-15,014,301.42

Finding the Fourth Proportional to 19,908,873.30, 27,459,575.55 and 15,014,301.42

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Solution

The fourth proportional to 19,908,873.30, 27,459,575.55 and 15,014,301.42 is: 20,708,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908,873.30 : 27,459,575.55 = 15,014,301.42 : x
  2. Step 2: Convert to fraction form
    19,908,873.30/27,459,575.55 = 15,014,301.42/x
  3. Step 3: Cross multiply
    19,908,873.30x = 27,459,575.55 × 15,014,301.42
  4. Step 4: Simplify right side
    19,908,873.30x = 412,286,344,172,962.31
  5. Step 5: Solve for x
    x = 412,286,344,172,962.31/19,908,873.30
  6. Step 6: Final answer
    x = 20,708,672.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.