Home / 10,201,886.35-14,078,329.34-5,555,578.73

Finding the Fourth Proportional to 10,201,886.35, 14,078,329.34 and 5,555,578.73

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Solution

The fourth proportional to 10,201,886.35, 14,078,329.34 and 5,555,578.73 is: 7,666,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201,886.35 : 14,078,329.34 = 5,555,578.73 : x
  2. Step 2: Convert to fraction form
    10,201,886.35/14,078,329.34 = 5,555,578.73/x
  3. Step 3: Cross multiply
    10,201,886.35x = 14,078,329.34 × 5,555,578.73
  4. Step 4: Simplify right side
    10,201,886.35x = 78,213,266,937,069.39
  5. Step 5: Solve for x
    x = 78,213,266,937,069.39/10,201,886.35
  6. Step 6: Final answer
    x = 7,666,549.53

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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.