Home / 10,112,449.08-13,955,179.86-5,528,770.56

Finding the Fourth Proportional to 10,112,449.08, 13,955,179.86 and 5,528,770.56

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Solution

The fourth proportional to 10,112,449.08, 13,955,179.86 and 5,528,770.56 is: 7,629,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112,449.08 : 13,955,179.86 = 5,528,770.56 : x
  2. Step 2: Convert to fraction form
    10,112,449.08/13,955,179.86 = 5,528,770.56/x
  3. Step 3: Cross multiply
    10,112,449.08x = 13,955,179.86 × 5,528,770.56
  4. Step 4: Simplify right side
    10,112,449.08x = 77,154,987,569,472.91
  5. Step 5: Solve for x
    x = 77,154,987,569,472.91/10,112,449.08
  6. Step 6: Final answer
    x = 7,629,703.44

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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.