Home / 31,392,136.60-47,063,321.70-17,208,712.60

Finding the Fourth Proportional to 31,392,136.60, 47,063,321.70 and 17,208,712.60

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Solution

The fourth proportional to 31,392,136.60, 47,063,321.70 and 17,208,712.60 is: 25,799,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392,136.60 : 47,063,321.70 = 17,208,712.60 : x
  2. Step 2: Convert to fraction form
    31,392,136.60/47,063,321.70 = 17,208,712.60/x
  3. Step 3: Cross multiply
    31,392,136.60x = 47,063,321.70 × 17,208,712.60
  4. Step 4: Simplify right side
    31,392,136.60x = 809,899,177,136,643.50
  5. Step 5: Solve for x
    x = 809,899,177,136,643.50/31,392,136.60
  6. Step 6: Final answer
    x = 25,799,428.29

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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.