Home / 31,993,009.20-47,989,513.80-25,615,717.20

Finding the Fourth Proportional to 31,993,009.20, 47,989,513.80 and 25,615,717.20

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Solution

The fourth proportional to 31,993,009.20, 47,989,513.80 and 25,615,717.20 is: 38,423,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,993,009.20 : 47,989,513.80 = 25,615,717.20 : x
  2. Step 2: Convert to fraction form
    31,993,009.20/47,989,513.80 = 25,615,717.20/x
  3. Step 3: Cross multiply
    31,993,009.20x = 47,989,513.80 × 25,615,717.20
  4. Step 4: Simplify right side
    31,993,009.20x = 1,229,285,814,066,297.25
  5. Step 5: Solve for x
    x = 1,229,285,814,066,297.25/31,993,009.20
  6. Step 6: Final answer
    x = 38,423,575.80

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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.