Home / 10,728,750.85-14,844,664.06-9,354,957.30

Finding the Fourth Proportional to 10,728,750.85, 14,844,664.06 and 9,354,957.30

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Solution

The fourth proportional to 10,728,750.85, 14,844,664.06 and 9,354,957.30 is: 12,943,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,750.85 : 14,844,664.06 = 9,354,957.30 : x
  2. Step 2: Convert to fraction form
    10,728,750.85/14,844,664.06 = 9,354,957.30/x
  3. Step 3: Cross multiply
    10,728,750.85x = 14,844,664.06 × 9,354,957.30
  4. Step 4: Simplify right side
    10,728,750.85x = 138,871,198,390,757.25
  5. Step 5: Solve for x
    x = 138,871,198,390,757.25/10,728,750.85
  6. Step 6: Final answer
    x = 12,943,836.65

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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.