Home / 28,188,746.72-42,276,504-15,898,023.80

Finding the Fourth Proportional to 28,188,746.72, 42,276,504 and 15,898,023.80

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Solution

The fourth proportional to 28,188,746.72, 42,276,504 and 15,898,023.80 is: 23,843,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,746.72 : 42,276,504 = 15,898,023.80 : x
  2. Step 2: Convert to fraction form
    28,188,746.72/42,276,504 = 15,898,023.80/x
  3. Step 3: Cross multiply
    28,188,746.72x = 42,276,504 × 15,898,023.80
  4. Step 4: Simplify right side
    28,188,746.72x = 672,112,866,772,795.25
  5. Step 5: Solve for x
    x = 672,112,866,772,795.25/28,188,746.72
  6. Step 6: Final answer
    x = 23,843,304.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.