Home / 27,783,112.75-38,340,695.60-15,559,969.75

Finding the Fourth Proportional to 27,783,112.75, 38,340,695.60 and 15,559,969.75

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Solution

The fourth proportional to 27,783,112.75, 38,340,695.60 and 15,559,969.75 is: 21,472,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,783,112.75 : 38,340,695.60 = 15,559,969.75 : x
  2. Step 2: Convert to fraction form
    27,783,112.75/38,340,695.60 = 15,559,969.75/x
  3. Step 3: Cross multiply
    27,783,112.75x = 38,340,695.60 × 15,559,969.75
  4. Step 4: Simplify right side
    27,783,112.75x = 596,580,063,652,158.25
  5. Step 5: Solve for x
    x = 596,580,063,652,158.25/27,783,112.75
  6. Step 6: Final answer
    x = 21,472,758.26

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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.