Home / 18,441,883.83-25,426,143.05-15,121,946.15

Finding the Fourth Proportional to 18,441,883.83, 25,426,143.05 and 15,121,946.15

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Solution

The fourth proportional to 18,441,883.83, 25,426,143.05 and 15,121,946.15 is: 20,848,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,883.83 : 25,426,143.05 = 15,121,946.15 : x
  2. Step 2: Convert to fraction form
    18,441,883.83/25,426,143.05 = 15,121,946.15/x
  3. Step 3: Cross multiply
    18,441,883.83x = 25,426,143.05 × 15,121,946.15
  4. Step 4: Simplify right side
    18,441,883.83x = 384,492,765,914,970.88
  5. Step 5: Solve for x
    x = 384,492,765,914,970.88/18,441,883.83
  6. Step 6: Final answer
    x = 20,848,887.75

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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.