Home / 18,852,495.48-28,239,507.90-11,995,100.28

Finding the Fourth Proportional to 18,852,495.48, 28,239,507.90 and 11,995,100.28

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Solution

The fourth proportional to 18,852,495.48, 28,239,507.90 and 11,995,100.28 is: 17,967,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852,495.48 : 28,239,507.90 = 11,995,100.28 : x
  2. Step 2: Convert to fraction form
    18,852,495.48/28,239,507.90 = 11,995,100.28/x
  3. Step 3: Cross multiply
    18,852,495.48x = 28,239,507.90 × 11,995,100.28
  4. Step 4: Simplify right side
    18,852,495.48x = 338,735,729,118,352.19
  5. Step 5: Solve for x
    x = 338,735,729,118,352.19/18,852,495.48
  6. Step 6: Final answer
    x = 17,967,686.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.