Home / 10,391,430.44-15,589,687.55-7,323,407.42

Finding the Fourth Proportional to 10,391,430.44, 15,589,687.55 and 7,323,407.42

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Solution

The fourth proportional to 10,391,430.44, 15,589,687.55 and 7,323,407.42 is: 10,986,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391,430.44 : 15,589,687.55 = 7,323,407.42 : x
  2. Step 2: Convert to fraction form
    10,391,430.44/15,589,687.55 = 7,323,407.42/x
  3. Step 3: Cross multiply
    10,391,430.44x = 15,589,687.55 × 7,323,407.42
  4. Step 4: Simplify right side
    10,391,430.44x = 114,169,633,364,586.14
  5. Step 5: Solve for x
    x = 114,169,633,364,586.14/10,391,430.44
  6. Step 6: Final answer
    x = 10,986,902.52

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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.