Home / 13,348,118.24-18,421,118.40-7,467,401.63

Finding the Fourth Proportional to 13,348,118.24, 18,421,118.40 and 7,467,401.63

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Solution

The fourth proportional to 13,348,118.24, 18,421,118.40 and 7,467,401.63 is: 10,305,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348,118.24 : 18,421,118.40 = 7,467,401.63 : x
  2. Step 2: Convert to fraction form
    13,348,118.24/18,421,118.40 = 7,467,401.63/x
  3. Step 3: Cross multiply
    13,348,118.24x = 18,421,118.40 × 7,467,401.63
  4. Step 4: Simplify right side
    13,348,118.24x = 137,557,889,437,140.39
  5. Step 5: Solve for x
    x = 137,557,889,437,140.39/13,348,118.24
  6. Step 6: Final answer
    x = 10,305,414.36

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1.5x scale

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.