Home / 31,808,262.64-43,889,571.48-18,759,604.72

Finding the Fourth Proportional to 31,808,262.64, 43,889,571.48 and 18,759,604.72

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Solution

The fourth proportional to 31,808,262.64, 43,889,571.48 and 18,759,604.72 is: 25,884,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808,262.64 : 43,889,571.48 = 18,759,604.72 : x
  2. Step 2: Convert to fraction form
    31,808,262.64/43,889,571.48 = 18,759,604.72/x
  3. Step 3: Cross multiply
    31,808,262.64x = 43,889,571.48 × 18,759,604.72
  4. Step 4: Simplify right side
    31,808,262.64x = 823,351,012,294,985.25
  5. Step 5: Solve for x
    x = 823,351,012,294,985.25/31,808,262.64
  6. Step 6: Final answer
    x = 25,884,815.58

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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.