Home / 14,523,325.20-21,784,987.80-13,428,464.40

Finding the Fourth Proportional to 14,523,325.20, 21,784,987.80 and 13,428,464.40

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Solution

The fourth proportional to 14,523,325.20, 21,784,987.80 and 13,428,464.40 is: 20,142,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523,325.20 : 21,784,987.80 = 13,428,464.40 : x
  2. Step 2: Convert to fraction form
    14,523,325.20/21,784,987.80 = 13,428,464.40/x
  3. Step 3: Cross multiply
    14,523,325.20x = 21,784,987.80 × 13,428,464.40
  4. Step 4: Simplify right side
    14,523,325.20x = 292,538,933,126,734.31
  5. Step 5: Solve for x
    x = 292,538,933,126,734.31/14,523,325.20
  6. Step 6: Final answer
    x = 20,142,696.60

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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.