Home / 15,726,712.80-23,590,069.20-5,089,144.80

Finding the Fourth Proportional to 15,726,712.80, 23,590,069.20 and 5,089,144.80

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Solution

The fourth proportional to 15,726,712.80, 23,590,069.20 and 5,089,144.80 is: 7,633,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,712.80 : 23,590,069.20 = 5,089,144.80 : x
  2. Step 2: Convert to fraction form
    15,726,712.80/23,590,069.20 = 5,089,144.80/x
  3. Step 3: Cross multiply
    15,726,712.80x = 23,590,069.20 × 5,089,144.80
  4. Step 4: Simplify right side
    15,726,712.80x = 120,053,278,000,820.16
  5. Step 5: Solve for x
    x = 120,053,278,000,820.16/15,726,712.80
  6. Step 6: Final answer
    x = 7,633,717.20

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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.