Home / 38,264,914.80-57,397,372.20-21,258,802.80

Finding the Fourth Proportional to 38,264,914.80, 57,397,372.20 and 21,258,802.80

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Solution

The fourth proportional to 38,264,914.80, 57,397,372.20 and 21,258,802.80 is: 31,888,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,264,914.80 : 57,397,372.20 = 21,258,802.80 : x
  2. Step 2: Convert to fraction form
    38,264,914.80/57,397,372.20 = 21,258,802.80/x
  3. Step 3: Cross multiply
    38,264,914.80x = 57,397,372.20 × 21,258,802.80
  4. Step 4: Simplify right side
    38,264,914.80x = 1,220,199,416,838,002.25
  5. Step 5: Solve for x
    x = 1,220,199,416,838,002.25/38,264,914.80
  6. Step 6: Final answer
    x = 31,888,204.20

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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.