Home / 10,657,851.90-15,986,777.85-9,944,015.10

Finding the Fourth Proportional to 10,657,851.90, 15,986,777.85 and 9,944,015.10

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Solution

The fourth proportional to 10,657,851.90, 15,986,777.85 and 9,944,015.10 is: 14,916,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,851.90 : 15,986,777.85 = 9,944,015.10 : x
  2. Step 2: Convert to fraction form
    10,657,851.90/15,986,777.85 = 9,944,015.10/x
  3. Step 3: Cross multiply
    10,657,851.90x = 15,986,777.85 × 9,944,015.10
  4. Step 4: Simplify right side
    10,657,851.90x = 158,972,760,340,745.53
  5. Step 5: Solve for x
    x = 158,972,760,340,745.53/10,657,851.90
  6. Step 6: Final answer
    x = 14,916,022.65

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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.