Home / 18,891,148.44-28,300,194.36-15,822,076.68

Finding the Fourth Proportional to 18,891,148.44, 28,300,194.36 and 15,822,076.68

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Solution

The fourth proportional to 18,891,148.44, 28,300,194.36 and 15,822,076.68 is: 23,702,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891,148.44 : 28,300,194.36 = 15,822,076.68 : x
  2. Step 2: Convert to fraction form
    18,891,148.44/28,300,194.36 = 15,822,076.68/x
  3. Step 3: Cross multiply
    18,891,148.44x = 28,300,194.36 × 15,822,076.68
  4. Step 4: Simplify right side
    18,891,148.44x = 447,767,845,222,823.50
  5. Step 5: Solve for x
    x = 447,767,845,222,823.50/18,891,148.44
  6. Step 6: Final answer
    x = 23,702,521.14

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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.