Home / 12,879,025.78-19,286,651.76-9,459,202.90

Finding the Fourth Proportional to 12,879,025.78, 19,286,651.76 and 9,459,202.90

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Solution

The fourth proportional to 12,879,025.78, 19,286,651.76 and 9,459,202.90 is: 14,165,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,025.78 : 19,286,651.76 = 9,459,202.90 : x
  2. Step 2: Convert to fraction form
    12,879,025.78/19,286,651.76 = 9,459,202.90/x
  3. Step 3: Cross multiply
    12,879,025.78x = 19,286,651.76 × 9,459,202.90
  4. Step 4: Simplify right side
    12,879,025.78x = 182,436,352,259,482.12
  5. Step 5: Solve for x
    x = 182,436,352,259,482.12/12,879,025.78
  6. Step 6: Final answer
    x = 14,165,384.51

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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.