Home / 12,516,518.70-17,270,822.81-7,290,386.95

Finding the Fourth Proportional to 12,516,518.70, 17,270,822.81 and 7,290,386.95

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Solution

The fourth proportional to 12,516,518.70, 17,270,822.81 and 7,290,386.95 is: 10,059,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516,518.70 : 17,270,822.81 = 7,290,386.95 : x
  2. Step 2: Convert to fraction form
    12,516,518.70/17,270,822.81 = 7,290,386.95/x
  3. Step 3: Cross multiply
    12,516,518.70x = 17,270,822.81 × 7,290,386.95
  4. Step 4: Simplify right side
    12,516,518.70x = 125,910,981,229,786.33
  5. Step 5: Solve for x
    x = 125,910,981,229,786.33/12,516,518.70
  6. Step 6: Final answer
    x = 10,059,584.80

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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.