Home / 13,888,157.66-19,165,810.85-7,693,299.26

Finding the Fourth Proportional to 13,888,157.66, 19,165,810.85 and 7,693,299.26

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Solution

The fourth proportional to 13,888,157.66, 19,165,810.85 and 7,693,299.26 is: 10,616,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,157.66 : 19,165,810.85 = 7,693,299.26 : x
  2. Step 2: Convert to fraction form
    13,888,157.66/19,165,810.85 = 7,693,299.26/x
  3. Step 3: Cross multiply
    13,888,157.66x = 19,165,810.85 × 7,693,299.26
  4. Step 4: Simplify right side
    13,888,157.66x = 147,448,318,429,604.97
  5. Step 5: Solve for x
    x = 147,448,318,429,604.97/13,888,157.66
  6. Step 6: Final answer
    x = 10,616,837.89

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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.