Home / 18,125,867.95-27,188,064.38-4,478,670.50

Finding the Fourth Proportional to 18,125,867.95, 27,188,064.38 and 4,478,670.50

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Solution

The fourth proportional to 18,125,867.95, 27,188,064.38 and 4,478,670.50 is: 6,717,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,867.95 : 27,188,064.38 = 4,478,670.50 : x
  2. Step 2: Convert to fraction form
    18,125,867.95/27,188,064.38 = 4,478,670.50/x
  3. Step 3: Cross multiply
    18,125,867.95x = 27,188,064.38 × 4,478,670.50
  4. Step 4: Simplify right side
    18,125,867.95x = 121,766,381,766,063.16
  5. Step 5: Solve for x
    x = 121,766,381,766,063.16/18,125,867.95
  6. Step 6: Final answer
    x = 6,717,823.51

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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.