Home / 31,449,833.24-43,402,556.12-18,894,728.16

Finding the Fourth Proportional to 31,449,833.24, 43,402,556.12 and 18,894,728.16

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Solution

The fourth proportional to 31,449,833.24, 43,402,556.12 and 18,894,728.16 is: 26,075,798.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449,833.24 : 43,402,556.12 = 18,894,728.16 : x
  2. Step 2: Convert to fraction form
    31,449,833.24/43,402,556.12 = 18,894,728.16/x
  3. Step 3: Cross multiply
    31,449,833.24x = 43,402,556.12 × 18,894,728.16
  4. Step 4: Simplify right side
    31,449,833.24x = 820,079,499,336,544.25
  5. Step 5: Solve for x
    x = 820,079,499,336,544.25/31,449,833.24
  6. Step 6: Final answer
    x = 26,075,798.02

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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.