Home / 13,253,327.76-19,877,777.10-3,669,675.06

Finding the Fourth Proportional to 13,253,327.76, 19,877,777.10 and 3,669,675.06

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Solution

The fourth proportional to 13,253,327.76, 19,877,777.10 and 3,669,675.06 is: 5,503,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253,327.76 : 19,877,777.10 = 3,669,675.06 : x
  2. Step 2: Convert to fraction form
    13,253,327.76/19,877,777.10 = 3,669,675.06/x
  3. Step 3: Cross multiply
    13,253,327.76x = 19,877,777.10 × 3,669,675.06
  4. Step 4: Simplify right side
    13,253,327.76x = 72,944,982,872,109.12
  5. Step 5: Solve for x
    x = 72,944,982,872,109.12/13,253,327.76
  6. Step 6: Final answer
    x = 5,503,899.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.