Home / 20,151,987.89-30,183,674.25-16,654,085.06

Finding the Fourth Proportional to 20,151,987.89, 30,183,674.25 and 16,654,085.06

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Solution

The fourth proportional to 20,151,987.89, 30,183,674.25 and 16,654,085.06 is: 24,944,510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,987.89 : 30,183,674.25 = 16,654,085.06 : x
  2. Step 2: Convert to fraction form
    20,151,987.89/30,183,674.25 = 16,654,085.06/x
  3. Step 3: Cross multiply
    20,151,987.89x = 30,183,674.25 × 16,654,085.06
  4. Step 4: Simplify right side
    20,151,987.89x = 502,681,478,231,913.31
  5. Step 5: Solve for x
    x = 502,681,478,231,913.31/20,151,987.89
  6. Step 6: Final answer
    x = 24,944,510.74

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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.