Home / 28,608,452.86-42,908,637.02-9,175,153.30

Finding the Fourth Proportional to 28,608,452.86, 42,908,637.02 and 9,175,153.30

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Solution

The fourth proportional to 28,608,452.86, 42,908,637.02 and 9,175,153.30 is: 13,761,433.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,452.86 : 42,908,637.02 = 9,175,153.30 : x
  2. Step 2: Convert to fraction form
    28,608,452.86/42,908,637.02 = 9,175,153.30/x
  3. Step 3: Cross multiply
    28,608,452.86x = 42,908,637.02 × 9,175,153.30
  4. Step 4: Simplify right side
    28,608,452.86x = 393,693,322,552,555.25
  5. Step 5: Solve for x
    x = 393,693,322,552,555.25/28,608,452.86
  6. Step 6: Final answer
    x = 13,761,433.53

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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.