Home / 18,279,987.71-25,211,673.77-16,070,125.55

Finding the Fourth Proportional to 18,279,987.71, 25,211,673.77 and 16,070,125.55

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Solution

The fourth proportional to 18,279,987.71, 25,211,673.77 and 16,070,125.55 is: 22,163,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,987.71 : 25,211,673.77 = 16,070,125.55 : x
  2. Step 2: Convert to fraction form
    18,279,987.71/25,211,673.77 = 16,070,125.55/x
  3. Step 3: Cross multiply
    18,279,987.71x = 25,211,673.77 × 16,070,125.55
  4. Step 4: Simplify right side
    18,279,987.71x = 405,154,762,603,132.81
  5. Step 5: Solve for x
    x = 405,154,762,603,132.81/18,279,987.71
  6. Step 6: Final answer
    x = 22,163,842.18

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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.