Home / 31,428,913.20-43,371,464.76-17,677,886.64

Finding the Fourth Proportional to 31,428,913.20, 43,371,464.76 and 17,677,886.64

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Solution

The fourth proportional to 31,428,913.20, 43,371,464.76 and 17,677,886.64 is: 24,395,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,428,913.20 : 43,371,464.76 = 17,677,886.64 : x
  2. Step 2: Convert to fraction form
    31,428,913.20/43,371,464.76 = 17,677,886.64/x
  3. Step 3: Cross multiply
    31,428,913.20x = 43,371,464.76 × 17,677,886.64
  4. Step 4: Simplify right side
    31,428,913.20x = 766,715,837,438,034.75
  5. Step 5: Solve for x
    x = 766,715,837,438,034.75/31,428,913.20
  6. Step 6: Final answer
    x = 24,395,238.63

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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.