Home / 13,444,317.90-20,139,904.80-7,368,175.80

Finding the Fourth Proportional to 13,444,317.90, 20,139,904.80 and 7,368,175.80

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Solution

The fourth proportional to 13,444,317.90, 20,139,904.80 and 7,368,175.80 is: 11,037,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444,317.90 : 20,139,904.80 = 7,368,175.80 : x
  2. Step 2: Convert to fraction form
    13,444,317.90/20,139,904.80 = 7,368,175.80/x
  3. Step 3: Cross multiply
    13,444,317.90x = 20,139,904.80 × 7,368,175.80
  4. Step 4: Simplify right side
    13,444,317.90x = 148,394,359,161,663.84
  5. Step 5: Solve for x
    x = 148,394,359,161,663.84/13,444,317.90
  6. Step 6: Final answer
    x = 11,037,700.85

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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.