Home / 13,819,212.87-19,070,580.09-7,624,259.26

Finding the Fourth Proportional to 13,819,212.87, 19,070,580.09 and 7,624,259.26

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Solution

The fourth proportional to 13,819,212.87, 19,070,580.09 and 7,624,259.26 is: 10,521,514.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819,212.87 : 19,070,580.09 = 7,624,259.26 : x
  2. Step 2: Convert to fraction form
    13,819,212.87/19,070,580.09 = 7,624,259.26/x
  3. Step 3: Cross multiply
    13,819,212.87x = 19,070,580.09 × 7,624,259.26
  4. Step 4: Simplify right side
    13,819,212.87x = 145,399,046,761,342.78
  5. Step 5: Solve for x
    x = 145,399,046,761,342.78/13,819,212.87
  6. Step 6: Final answer
    x = 10,521,514.37

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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.