Home / 13,619,151-18,794,557.98-7,507,798.68

Finding the Fourth Proportional to 13,619,151, 18,794,557.98 and 7,507,798.68

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Solution

The fourth proportional to 13,619,151, 18,794,557.98 and 7,507,798.68 is: 10,360,833.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619,151 : 18,794,557.98 = 7,507,798.68 : x
  2. Step 2: Convert to fraction form
    13,619,151/18,794,557.98 = 7,507,798.68/x
  3. Step 3: Cross multiply
    13,619,151x = 18,794,557.98 × 7,507,798.68
  4. Step 4: Simplify right side
    13,619,151x = 141,105,757,593,427.47
  5. Step 5: Solve for x
    x = 141,105,757,593,427.47/13,619,151
  6. Step 6: Final answer
    x = 10,360,833.62

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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.