Home / 13,005,442.12-19,510,900.56-4,918,236.88

Finding the Fourth Proportional to 13,005,442.12, 19,510,900.56 and 4,918,236.88

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Solution

The fourth proportional to 13,005,442.12, 19,510,900.56 and 4,918,236.88 is: 7,378,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,442.12 : 19,510,900.56 = 4,918,236.88 : x
  2. Step 2: Convert to fraction form
    13,005,442.12/19,510,900.56 = 4,918,236.88/x
  3. Step 3: Cross multiply
    13,005,442.12x = 19,510,900.56 × 4,918,236.88
  4. Step 4: Simplify right side
    13,005,442.12x = 95,959,230,696,204.64
  5. Step 5: Solve for x
    x = 95,959,230,696,204.64/13,005,442.12
  6. Step 6: Final answer
    x = 7,378,390.51

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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.