Home / 37,929,441.78-52,342,761.60-20,525,782.40

Finding the Fourth Proportional to 37,929,441.78, 52,342,761.60 and 20,525,782.40

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Solution

The fourth proportional to 37,929,441.78, 52,342,761.60 and 20,525,782.40 is: 28,325,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,929,441.78 : 52,342,761.60 = 20,525,782.40 : x
  2. Step 2: Convert to fraction form
    37,929,441.78/52,342,761.60 = 20,525,782.40/x
  3. Step 3: Cross multiply
    37,929,441.78x = 52,342,761.60 × 20,525,782.40
  4. Step 4: Simplify right side
    37,929,441.78x = 1,074,376,134,816,675.75
  5. Step 5: Solve for x
    x = 1,074,376,134,816,675.75/37,929,441.78
  6. Step 6: Final answer
    x = 28,325,651.11

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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.