Home / 13,656,873.40-20,485,310.10-9,352,201.30

Finding the Fourth Proportional to 13,656,873.40, 20,485,310.10 and 9,352,201.30

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Solution

The fourth proportional to 13,656,873.40, 20,485,310.10 and 9,352,201.30 is: 14,028,301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,873.40 : 20,485,310.10 = 9,352,201.30 : x
  2. Step 2: Convert to fraction form
    13,656,873.40/20,485,310.10 = 9,352,201.30/x
  3. Step 3: Cross multiply
    13,656,873.40x = 20,485,310.10 × 9,352,201.30
  4. Step 4: Simplify right side
    13,656,873.40x = 191,582,743,748,123.16
  5. Step 5: Solve for x
    x = 191,582,743,748,123.16/13,656,873.40
  6. Step 6: Final answer
    x = 14,028,301.95

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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.