Home / 13,868,498.88-19,138,649.76-7,757,496

Finding the Fourth Proportional to 13,868,498.88, 19,138,649.76 and 7,757,496

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Solution

The fourth proportional to 13,868,498.88, 19,138,649.76 and 7,757,496 is: 10,705,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,498.88 : 19,138,649.76 = 7,757,496 : x
  2. Step 2: Convert to fraction form
    13,868,498.88/19,138,649.76 = 7,757,496/x
  3. Step 3: Cross multiply
    13,868,498.88x = 19,138,649.76 × 7,757,496
  4. Step 4: Simplify right side
    13,868,498.88x = 148,467,998,958,600.97
  5. Step 5: Solve for x
    x = 148,467,998,958,600.97/13,868,498.88
  6. Step 6: Final answer
    x = 10,705,412.33

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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.