Home / 28,117,851.60-42,176,777.40-22,449,147.60

Finding the Fourth Proportional to 28,117,851.60, 42,176,777.40 and 22,449,147.60

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Solution

The fourth proportional to 28,117,851.60, 42,176,777.40 and 22,449,147.60 is: 33,673,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117,851.60 : 42,176,777.40 = 22,449,147.60 : x
  2. Step 2: Convert to fraction form
    28,117,851.60/42,176,777.40 = 22,449,147.60/x
  3. Step 3: Cross multiply
    28,117,851.60x = 42,176,777.40 × 22,449,147.60
  4. Step 4: Simplify right side
    28,117,851.60x = 946,832,701,144,944.25
  5. Step 5: Solve for x
    x = 946,832,701,144,944.25/28,117,851.60
  6. Step 6: Final answer
    x = 33,673,721.40

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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.