Home / 39,256,503.41-54,171,364.74-21,852,401.15

Finding the Fourth Proportional to 39,256,503.41, 54,171,364.74 and 21,852,401.15

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Solution

The fourth proportional to 39,256,503.41, 54,171,364.74 and 21,852,401.15 is: 30,154,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,256,503.41 : 54,171,364.74 = 21,852,401.15 : x
  2. Step 2: Convert to fraction form
    39,256,503.41/54,171,364.74 = 21,852,401.15/x
  3. Step 3: Cross multiply
    39,256,503.41x = 54,171,364.74 × 21,852,401.15
  4. Step 4: Simplify right side
    39,256,503.41x = 1,183,774,393,141,445.50
  5. Step 5: Solve for x
    x = 1,183,774,393,141,445.50/39,256,503.41
  6. Step 6: Final answer
    x = 30,154,860.73

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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.