Home / 10,126,085.42-13,974,040.43-5,479,870.64

Finding the Fourth Proportional to 10,126,085.42, 13,974,040.43 and 5,479,870.64

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Solution

The fourth proportional to 10,126,085.42, 13,974,040.43 and 5,479,870.64 is: 7,562,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126,085.42 : 13,974,040.43 = 5,479,870.64 : x
  2. Step 2: Convert to fraction form
    10,126,085.42/13,974,040.43 = 5,479,870.64/x
  3. Step 3: Cross multiply
    10,126,085.42x = 13,974,040.43 × 5,479,870.64
  4. Step 4: Simplify right side
    10,126,085.42x = 76,575,933,923,164.75
  5. Step 5: Solve for x
    x = 76,575,933,923,164.75/10,126,085.42
  6. Step 6: Final answer
    x = 7,562,244.52

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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.