Home / 28,548,717.90-42,823,076.85-9,380,100.30

Finding the Fourth Proportional to 28,548,717.90, 42,823,076.85 and 9,380,100.30

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Solution

The fourth proportional to 28,548,717.90, 42,823,076.85 and 9,380,100.30 is: 14,070,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548,717.90 : 42,823,076.85 = 9,380,100.30 : x
  2. Step 2: Convert to fraction form
    28,548,717.90/42,823,076.85 = 9,380,100.30/x
  3. Step 3: Cross multiply
    28,548,717.90x = 42,823,076.85 × 9,380,100.30
  4. Step 4: Simplify right side
    28,548,717.90x = 401,684,756,007,608.12
  5. Step 5: Solve for x
    x = 401,684,756,007,608.12/28,548,717.90
  6. Step 6: Final answer
    x = 14,070,150.45

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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.