Home / 27,920,437.60-38,532,530.82-15,532,864.60

Finding the Fourth Proportional to 27,920,437.60, 38,532,530.82 and 15,532,864.60

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Solution

The fourth proportional to 27,920,437.60, 38,532,530.82 and 15,532,864.60 is: 21,436,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920,437.60 : 38,532,530.82 = 15,532,864.60 : x
  2. Step 2: Convert to fraction form
    27,920,437.60/38,532,530.82 = 15,532,864.60/x
  3. Step 3: Cross multiply
    27,920,437.60x = 38,532,530.82 × 15,532,864.60
  4. Step 4: Simplify right side
    27,920,437.60x = 598,520,583,922,387
  5. Step 5: Solve for x
    x = 598,520,583,922,387/27,920,437.60
  6. Step 6: Final answer
    x = 21,436,647.68

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1.5x scale

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.