Home / 18,704,041.20-25,829,403-17,685,059.28

Finding the Fourth Proportional to 18,704,041.20, 25,829,403 and 17,685,059.28

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Solution

The fourth proportional to 18,704,041.20, 25,829,403 and 17,685,059.28 is: 24,422,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704,041.20 : 25,829,403 = 17,685,059.28 : x
  2. Step 2: Convert to fraction form
    18,704,041.20/25,829,403 = 17,685,059.28/x
  3. Step 3: Cross multiply
    18,704,041.20x = 25,829,403 × 17,685,059.28
  4. Step 4: Simplify right side
    18,704,041.20x = 456,794,523,222,009.88
  5. Step 5: Solve for x
    x = 456,794,523,222,009.88/18,704,041.20
  6. Step 6: Final answer
    x = 24,422,236.80

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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.