Home / 31,248,922.50-43,122,971.91-17,309,984.50

Finding the Fourth Proportional to 31,248,922.50, 43,122,971.91 and 17,309,984.50

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Solution

The fourth proportional to 31,248,922.50, 43,122,971.91 and 17,309,984.50 is: 23,887,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248,922.50 : 43,122,971.91 = 17,309,984.50 : x
  2. Step 2: Convert to fraction form
    31,248,922.50/43,122,971.91 = 17,309,984.50/x
  3. Step 3: Cross multiply
    31,248,922.50x = 43,122,971.91 × 17,309,984.50
  4. Step 4: Simplify right side
    31,248,922.50x = 746,457,975,388,101.75
  5. Step 5: Solve for x
    x = 746,457,975,388,101.75/31,248,922.50
  6. Step 6: Final answer
    x = 23,887,478.85

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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.