Home / 18,820,419.20-28,167,643.20-16,552,937.60

Finding the Fourth Proportional to 18,820,419.20, 28,167,643.20 and 16,552,937.60

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Solution

The fourth proportional to 18,820,419.20, 28,167,643.20 and 16,552,937.60 is: 24,774,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820,419.20 : 28,167,643.20 = 16,552,937.60 : x
  2. Step 2: Convert to fraction form
    18,820,419.20/28,167,643.20 = 16,552,937.60/x
  3. Step 3: Cross multiply
    18,820,419.20x = 28,167,643.20 × 16,552,937.60
  4. Step 4: Simplify right side
    18,820,419.20x = 466,257,240,228,664.31
  5. Step 5: Solve for x
    x = 466,257,240,228,664.31/18,820,419.20
  6. Step 6: Final answer
    x = 24,774,009.30

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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.