Home / 31,872,929.76-43,979,155.74-17,932,350.24

Finding the Fourth Proportional to 31,872,929.76, 43,979,155.74 and 17,932,350.24

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Solution

The fourth proportional to 31,872,929.76, 43,979,155.74 and 17,932,350.24 is: 24,743,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872,929.76 : 43,979,155.74 = 17,932,350.24 : x
  2. Step 2: Convert to fraction form
    31,872,929.76/43,979,155.74 = 17,932,350.24/x
  3. Step 3: Cross multiply
    31,872,929.76x = 43,979,155.74 × 17,932,350.24
  4. Step 4: Simplify right side
    31,872,929.76x = 788,649,623,989,186.38
  5. Step 5: Solve for x
    x = 788,649,623,989,186.38/31,872,929.76
  6. Step 6: Final answer
    x = 24,743,556.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.