Home / 15,081,295.75-20,811,575.28-8,554,785.13

Finding the Fourth Proportional to 15,081,295.75, 20,811,575.28 and 8,554,785.13

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Solution

The fourth proportional to 15,081,295.75, 20,811,575.28 and 8,554,785.13 is: 11,805,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081,295.75 : 20,811,575.28 = 8,554,785.13 : x
  2. Step 2: Convert to fraction form
    15,081,295.75/20,811,575.28 = 8,554,785.13/x
  3. Step 3: Cross multiply
    15,081,295.75x = 20,811,575.28 × 8,554,785.13
  4. Step 4: Simplify right side
    15,081,295.75x = 178,038,554,747,193.81
  5. Step 5: Solve for x
    x = 178,038,554,747,193.81/15,081,295.75
  6. Step 6: Final answer
    x = 11,805,255.84

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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.