Home / 21,062,711.40-31,546,827.90-17,283,575.40

Finding the Fourth Proportional to 21,062,711.40, 31,546,827.90 and 17,283,575.40

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Solution

The fourth proportional to 21,062,711.40, 31,546,827.90 and 17,283,575.40 is: 25,886,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,711.40 : 31,546,827.90 = 17,283,575.40 : x
  2. Step 2: Convert to fraction form
    21,062,711.40/31,546,827.90 = 17,283,575.40/x
  3. Step 3: Cross multiply
    21,062,711.40x = 31,546,827.90 × 17,283,575.40
  4. Step 4: Simplify right side
    21,062,711.40x = 545,241,978,640,473.56
  5. Step 5: Solve for x
    x = 545,241,978,640,473.56/21,062,711.40
  6. Step 6: Final answer
    x = 25,886,599.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.