Home / 25,632,023.60-38,448,035.40-7,678,794.80

Finding the Fourth Proportional to 25,632,023.60, 38,448,035.40 and 7,678,794.80

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Solution

The fourth proportional to 25,632,023.60, 38,448,035.40 and 7,678,794.80 is: 11,518,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,632,023.60 : 38,448,035.40 = 7,678,794.80 : x
  2. Step 2: Convert to fraction form
    25,632,023.60/38,448,035.40 = 7,678,794.80/x
  3. Step 3: Cross multiply
    25,632,023.60x = 38,448,035.40 × 7,678,794.80
  4. Step 4: Simplify right side
    25,632,023.60x = 295,234,574,299,735.88
  5. Step 5: Solve for x
    x = 295,234,574,299,735.88/25,632,023.60
  6. Step 6: Final answer
    x = 11,518,192.20

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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.