Home / 10,728,752.10-14,844,665.79-9,354,958.55

Finding the Fourth Proportional to 10,728,752.10, 14,844,665.79 and 9,354,958.55

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Solution

The fourth proportional to 10,728,752.10, 14,844,665.79 and 9,354,958.55 is: 12,943,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,752.10 : 14,844,665.79 = 9,354,958.55 : x
  2. Step 2: Convert to fraction form
    10,728,752.10/14,844,665.79 = 9,354,958.55/x
  3. Step 3: Cross multiply
    10,728,752.10x = 14,844,665.79 × 9,354,958.55
  4. Step 4: Simplify right side
    10,728,752.10x = 138,871,233,107,278.22
  5. Step 5: Solve for x
    x = 138,871,233,107,278.22/10,728,752.10
  6. Step 6: Final answer
    x = 12,943,838.37

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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.