Home / 31,284,965.75-43,171,748.45-17,346,887.30

Finding the Fourth Proportional to 31,284,965.75, 43,171,748.45 and 17,346,887.30

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Solution

The fourth proportional to 31,284,965.75, 43,171,748.45 and 17,346,887.30 is: 23,937,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,284,965.75 : 43,171,748.45 = 17,346,887.30 : x
  2. Step 2: Convert to fraction form
    31,284,965.75/43,171,748.45 = 17,346,887.30/x
  3. Step 3: Cross multiply
    31,284,965.75x = 43,171,748.45 × 17,346,887.30
  4. Step 4: Simplify right side
    31,284,965.75x = 748,895,454,992,345.38
  5. Step 5: Solve for x
    x = 748,895,454,992,345.38/31,284,965.75
  6. Step 6: Final answer
    x = 23,937,870.38

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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.