Home / 15,482,593.71-21,334,496.69-11,976,642.34

Finding the Fourth Proportional to 15,482,593.71, 21,334,496.69 and 11,976,642.34

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Solution

The fourth proportional to 15,482,593.71, 21,334,496.69 and 11,976,642.34 is: 16,503,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482,593.71 : 21,334,496.69 = 11,976,642.34 : x
  2. Step 2: Convert to fraction form
    15,482,593.71/21,334,496.69 = 11,976,642.34/x
  3. Step 3: Cross multiply
    15,482,593.71x = 21,334,496.69 × 11,976,642.34
  4. Step 4: Simplify right side
    15,482,593.71x = 255,515,636,330,102.25
  5. Step 5: Solve for x
    x = 255,515,636,330,102.25/15,482,593.71
  6. Step 6: Final answer
    x = 16,503,412.87

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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.