Home / 31,497,868.80-43,472,695.74-18,444,365.64

Finding the Fourth Proportional to 31,497,868.80, 43,472,695.74 and 18,444,365.64

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Solution

The fourth proportional to 31,497,868.80, 43,472,695.74 and 18,444,365.64 is: 25,456,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,497,868.80 : 43,472,695.74 = 18,444,365.64 : x
  2. Step 2: Convert to fraction form
    31,497,868.80/43,472,695.74 = 18,444,365.64/x
  3. Step 3: Cross multiply
    31,497,868.80x = 43,472,695.74 × 18,444,365.64
  4. Step 4: Simplify right side
    31,497,868.80x = 801,826,295,585,030.50
  5. Step 5: Solve for x
    x = 801,826,295,585,030.50/31,497,868.80
  6. Step 6: Final answer
    x = 25,456,525.35

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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.