Home / 20,251,830.24-30,365,443.44-7,941,044.10

Finding the Fourth Proportional to 20,251,830.24, 30,365,443.44 and 7,941,044.10

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Solution

The fourth proportional to 20,251,830.24, 30,365,443.44 and 7,941,044.10 is: 11,906,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,830.24 : 30,365,443.44 = 7,941,044.10 : x
  2. Step 2: Convert to fraction form
    20,251,830.24/30,365,443.44 = 7,941,044.10/x
  3. Step 3: Cross multiply
    20,251,830.24x = 30,365,443.44 × 7,941,044.10
  4. Step 4: Simplify right side
    20,251,830.24x = 241,133,325,473,095.72
  5. Step 5: Solve for x
    x = 241,133,325,473,095.72/20,251,830.24
  6. Step 6: Final answer
    x = 11,906,742.38

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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.