Home / 28,878,432.96-39,851,095.44-17,269,078.80

Finding the Fourth Proportional to 28,878,432.96, 39,851,095.44 and 17,269,078.80

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Solution

The fourth proportional to 28,878,432.96, 39,851,095.44 and 17,269,078.80 is: 23,830,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878,432.96 : 39,851,095.44 = 17,269,078.80 : x
  2. Step 2: Convert to fraction form
    28,878,432.96/39,851,095.44 = 17,269,078.80/x
  3. Step 3: Cross multiply
    28,878,432.96x = 39,851,095.44 × 17,269,078.80
  4. Step 4: Simplify right side
    28,878,432.96x = 688,191,707,419,680.62
  5. Step 5: Solve for x
    x = 688,191,707,419,680.62/28,878,432.96
  6. Step 6: Final answer
    x = 23,830,645.81

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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.