Home / 34,238,645.94-47,244,287.70-20,820,466.53

Finding the Fourth Proportional to 34,238,645.94, 47,244,287.70 and 20,820,466.53

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Solution

The fourth proportional to 34,238,645.94, 47,244,287.70 and 20,820,466.53 is: 28,729,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,238,645.94 : 47,244,287.70 = 20,820,466.53 : x
  2. Step 2: Convert to fraction form
    34,238,645.94/47,244,287.70 = 20,820,466.53/x
  3. Step 3: Cross multiply
    34,238,645.94x = 47,244,287.70 × 20,820,466.53
  4. Step 4: Simplify right side
    34,238,645.94x = 983,648,110,791,540.75
  5. Step 5: Solve for x
    x = 983,648,110,791,540.75/34,238,645.94
  6. Step 6: Final answer
    x = 28,729,176.75

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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.