Home / 13,614,790.64-18,788,170.12-7,419,894.44

Finding the Fourth Proportional to 13,614,790.64, 18,788,170.12 and 7,419,894.44

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Solution

The fourth proportional to 13,614,790.64, 18,788,170.12 and 7,419,894.44 is: 10,239,323.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,790.64 : 18,788,170.12 = 7,419,894.44 : x
  2. Step 2: Convert to fraction form
    13,614,790.64/18,788,170.12 = 7,419,894.44/x
  3. Step 3: Cross multiply
    13,614,790.64x = 18,788,170.12 × 7,419,894.44
  4. Step 4: Simplify right side
    13,614,790.64x = 139,406,238,898,671.53
  5. Step 5: Solve for x
    x = 139,406,238,898,671.53/13,614,790.64
  6. Step 6: Final answer
    x = 10,239,323.00

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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.