Home / 12,913,749.61-17,820,974.53-7,112,531.33

Finding the Fourth Proportional to 12,913,749.61, 17,820,974.53 and 7,112,531.33

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Solution

The fourth proportional to 12,913,749.61, 17,820,974.53 and 7,112,531.33 is: 9,815,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913,749.61 : 17,820,974.53 = 7,112,531.33 : x
  2. Step 2: Convert to fraction form
    12,913,749.61/17,820,974.53 = 7,112,531.33/x
  3. Step 3: Cross multiply
    12,913,749.61x = 17,820,974.53 × 7,112,531.33
  4. Step 4: Simplify right side
    12,913,749.61x = 126,752,239,662,371.48
  5. Step 5: Solve for x
    x = 126,752,239,662,371.48/12,913,749.61
  6. Step 6: Final answer
    x = 9,815,293.27

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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.