Home / 13,888,154.09-19,165,805.96-7,693,295.72

Finding the Fourth Proportional to 13,888,154.09, 19,165,805.96 and 7,693,295.72

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Solution

The fourth proportional to 13,888,154.09, 19,165,805.96 and 7,693,295.72 is: 10,616,833.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,154.09 : 19,165,805.96 = 7,693,295.72 : x
  2. Step 2: Convert to fraction form
    13,888,154.09/19,165,805.96 = 7,693,295.72/x
  3. Step 3: Cross multiply
    13,888,154.09x = 19,165,805.96 × 7,693,295.72
  4. Step 4: Simplify right side
    13,888,154.09x = 147,448,212,828,122.97
  5. Step 5: Solve for x
    x = 147,448,212,828,122.97/13,888,154.09
  6. Step 6: Final answer
    x = 10,616,833.01

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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.