Home / 12,544,774.36-18,814,916.86-7,982,270.28

Finding the Fourth Proportional to 12,544,774.36, 18,814,916.86 and 7,982,270.28

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Solution

The fourth proportional to 12,544,774.36, 18,814,916.86 and 7,982,270.28 is: 11,971,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,774.36 : 18,814,916.86 = 7,982,270.28 : x
  2. Step 2: Convert to fraction form
    12,544,774.36/18,814,916.86 = 7,982,270.28/x
  3. Step 3: Cross multiply
    12,544,774.36x = 18,814,916.86 × 7,982,270.28
  4. Step 4: Simplify right side
    12,544,774.36x = 150,185,751,652,293.25
  5. Step 5: Solve for x
    x = 150,185,751,652,293.25/12,544,774.36
  6. Step 6: Final answer
    x = 11,971,977.13

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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.