Home / 27,709,972.25-38,239,665.95-15,486,829.25

Finding the Fourth Proportional to 27,709,972.25, 38,239,665.95 and 15,486,829.25

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Solution

The fourth proportional to 27,709,972.25, 38,239,665.95 and 15,486,829.25 is: 21,371,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,709,972.25 : 38,239,665.95 = 15,486,829.25 : x
  2. Step 2: Convert to fraction form
    27,709,972.25/38,239,665.95 = 15,486,829.25/x
  3. Step 3: Cross multiply
    27,709,972.25x = 38,239,665.95 × 15,486,829.25
  4. Step 4: Simplify right side
    27,709,972.25x = 592,211,176,992,207.75
  5. Step 5: Solve for x
    x = 592,211,176,992,207.75/27,709,972.25
  6. Step 6: Final answer
    x = 21,371,770.85

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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.