Home / 13,344,530.40-18,415,251.72-7,543,108.44

Finding the Fourth Proportional to 13,344,530.40, 18,415,251.72 and 7,543,108.44

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Solution

The fourth proportional to 13,344,530.40, 18,415,251.72 and 7,543,108.44 is: 10,409,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344,530.40 : 18,415,251.72 = 7,543,108.44 : x
  2. Step 2: Convert to fraction form
    13,344,530.40/18,415,251.72 = 7,543,108.44/x
  3. Step 3: Cross multiply
    13,344,530.40x = 18,415,251.72 × 7,543,108.44
  4. Step 4: Simplify right side
    13,344,530.40x = 138,908,240,673,856.52
  5. Step 5: Solve for x
    x = 138,908,240,673,856.52/13,344,530.40
  6. Step 6: Final answer
    x = 10,409,376.46

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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.