Home / 10,113,474.65-15,168,232.73-8,418,505.91

Finding the Fourth Proportional to 10,113,474.65, 15,168,232.73 and 8,418,505.91

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Solution

The fourth proportional to 10,113,474.65, 15,168,232.73 and 8,418,505.91 is: 12,626,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113,474.65 : 15,168,232.73 = 8,418,505.91 : x
  2. Step 2: Convert to fraction form
    10,113,474.65/15,168,232.73 = 8,418,505.91/x
  3. Step 3: Cross multiply
    10,113,474.65x = 15,168,232.73 × 8,418,505.91
  4. Step 4: Simplify right side
    10,113,474.65x = 127,693,856,826,965.53
  5. Step 5: Solve for x
    x = 127,693,856,826,965.53/10,113,474.65
  6. Step 6: Final answer
    x = 12,626,111.33

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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.