Home / 10,113,138.40-15,171,807.12-3,381,377.44

Finding the Fourth Proportional to 10,113,138.40, 15,171,807.12 and 3,381,377.44

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Solution

The fourth proportional to 10,113,138.40, 15,171,807.12 and 3,381,377.44 is: 5,072,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113,138.40 : 15,171,807.12 = 3,381,377.44 : x
  2. Step 2: Convert to fraction form
    10,113,138.40/15,171,807.12 = 3,381,377.44/x
  3. Step 3: Cross multiply
    10,113,138.40x = 15,171,807.12 × 3,381,377.44
  4. Step 4: Simplify right side
    10,113,138.40x = 51,301,606,268,989.70
  5. Step 5: Solve for x
    x = 51,301,606,268,989.70/10,113,138.40
  6. Step 6: Final answer
    x = 5,072,768.14

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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.