Home / 14,339,418.55-19,788,147.43-7,813,102.03

Finding the Fourth Proportional to 14,339,418.55, 19,788,147.43 and 7,813,102.03

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Solution

The fourth proportional to 14,339,418.55, 19,788,147.43 and 7,813,102.03 is: 10,781,944.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,418.55 : 19,788,147.43 = 7,813,102.03 : x
  2. Step 2: Convert to fraction form
    14,339,418.55/19,788,147.43 = 7,813,102.03/x
  3. Step 3: Cross multiply
    14,339,418.55x = 19,788,147.43 × 7,813,102.03
  4. Step 4: Simplify right side
    14,339,418.55x = 154,606,814,855,272.28
  5. Step 5: Solve for x
    x = 154,606,814,855,272.28/14,339,418.55
  6. Step 6: Final answer
    x = 10,781,944.49

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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.