Home / 27,699,421.48-38,227,179.68-15,309,248.63

Finding the Fourth Proportional to 27,699,421.48, 38,227,179.68 and 15,309,248.63

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Solution

The fourth proportional to 27,699,421.48, 38,227,179.68 and 15,309,248.63 is: 21,127,856.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,421.48 : 38,227,179.68 = 15,309,248.63 : x
  2. Step 2: Convert to fraction form
    27,699,421.48/38,227,179.68 = 15,309,248.63/x
  3. Step 3: Cross multiply
    27,699,421.48x = 38,227,179.68 × 15,309,248.63
  4. Step 4: Simplify right side
    27,699,421.48x = 585,229,398,144,803.88
  5. Step 5: Solve for x
    x = 585,229,398,144,803.88/27,699,421.48
  6. Step 6: Final answer
    x = 21,127,856.35

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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.