Home / 15,033,937.78-20,746,834.28-8,158,419.84

Finding the Fourth Proportional to 15,033,937.78, 20,746,834.28 and 8,158,419.84

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Solution

The fourth proportional to 15,033,937.78, 20,746,834.28 and 8,158,419.84 is: 11,258,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033,937.78 : 20,746,834.28 = 8,158,419.84 : x
  2. Step 2: Convert to fraction form
    15,033,937.78/20,746,834.28 = 8,158,419.84/x
  3. Step 3: Cross multiply
    15,033,937.78x = 20,746,834.28 × 8,158,419.84
  4. Step 4: Simplify right side
    15,033,937.78x = 169,261,384,407,144.12
  5. Step 5: Solve for x
    x = 169,261,384,407,144.12/15,033,937.78
  6. Step 6: Final answer
    x = 11,258,619.46

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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.