Home / 13,376,671.70-18,459,901.42-7,265,100.20

Finding the Fourth Proportional to 13,376,671.70, 18,459,901.42 and 7,265,100.20

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Solution

The fourth proportional to 13,376,671.70, 18,459,901.42 and 7,265,100.20 is: 10,025,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,671.70 : 18,459,901.42 = 7,265,100.20 : x
  2. Step 2: Convert to fraction form
    13,376,671.70/18,459,901.42 = 7,265,100.20/x
  3. Step 3: Cross multiply
    13,376,671.70x = 18,459,901.42 × 7,265,100.20
  4. Step 4: Simplify right side
    13,376,671.70x = 134,113,033,498,422.30
  5. Step 5: Solve for x
    x = 134,113,033,498,422.30/13,376,671.70
  6. Step 6: Final answer
    x = 10,025,889.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.