Home / 13,375,865.48-18,460,270.15-7,943,357.48

Finding the Fourth Proportional to 13,375,865.48, 18,460,270.15 and 7,943,357.48

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Solution

The fourth proportional to 13,375,865.48, 18,460,270.15 and 7,943,357.48 is: 10,962,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,865.48 : 18,460,270.15 = 7,943,357.48 : x
  2. Step 2: Convert to fraction form
    13,375,865.48/18,460,270.15 = 7,943,357.48/x
  3. Step 3: Cross multiply
    13,375,865.48x = 18,460,270.15 × 7,943,357.48
  4. Step 4: Simplify right side
    13,375,865.48x = 146,636,524,866,663.47
  5. Step 5: Solve for x
    x = 146,636,524,866,663.47/13,375,865.48
  6. Step 6: Final answer
    x = 10,962,769.11

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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.