Home / 13,889,169.76-19,167,051.60-7,694,619.04

Finding the Fourth Proportional to 13,889,169.76, 19,167,051.60 and 7,694,619.04

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Solution

The fourth proportional to 13,889,169.76, 19,167,051.60 and 7,694,619.04 is: 10,618,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,169.76 : 19,167,051.60 = 7,694,619.04 : x
  2. Step 2: Convert to fraction form
    13,889,169.76/19,167,051.60 = 7,694,619.04/x
  3. Step 3: Cross multiply
    13,889,169.76x = 19,167,051.60 × 7,694,619.04
  4. Step 4: Simplify right side
    13,889,169.76x = 147,483,160,182,022.47
  5. Step 5: Solve for x
    x = 147,483,160,182,022.47/13,889,169.76
  6. Step 6: Final answer
    x = 10,618,572.80

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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.