Home / 25,431,230.40-38,133,712.80-7,478,001.60

Finding the Fourth Proportional to 25,431,230.40, 38,133,712.80 and 7,478,001.60

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Solution

The fourth proportional to 25,431,230.40, 38,133,712.80 and 7,478,001.60 is: 11,213,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431,230.40 : 38,133,712.80 = 7,478,001.60 : x
  2. Step 2: Convert to fraction form
    25,431,230.40/38,133,712.80 = 7,478,001.60/x
  3. Step 3: Cross multiply
    25,431,230.40x = 38,133,712.80 × 7,478,001.60
  4. Step 4: Simplify right side
    25,431,230.40x = 285,163,965,332,340.44
  5. Step 5: Solve for x
    x = 285,163,965,332,340.44/25,431,230.40
  6. Step 6: Final answer
    x = 11,213,140.73

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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.