Home / 31,293,985.71-43,188,285.61-17,359,833.35

Finding the Fourth Proportional to 31,293,985.71, 43,188,285.61 and 17,359,833.35

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Solution

The fourth proportional to 31,293,985.71, 43,188,285.61 and 17,359,833.35 is: 23,958,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293,985.71 : 43,188,285.61 = 17,359,833.35 : x
  2. Step 2: Convert to fraction form
    31,293,985.71/43,188,285.61 = 17,359,833.35/x
  3. Step 3: Cross multiply
    31,293,985.71x = 43,188,285.61 × 17,359,833.35
  4. Step 4: Simplify right side
    31,293,985.71x = 749,741,440,991,473.50
  5. Step 5: Solve for x
    x = 749,741,440,991,473.50/31,293,985.71
  6. Step 6: Final answer
    x = 23,958,004.19

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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.