Home / 18,778,556.90-25,914,560.70-10,406,066.52

Finding the Fourth Proportional to 18,778,556.90, 25,914,560.70 and 10,406,066.52

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Solution

The fourth proportional to 18,778,556.90, 25,914,560.70 and 10,406,066.52 is: 14,360,456.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,778,556.90 : 25,914,560.70 = 10,406,066.52 : x
  2. Step 2: Convert to fraction form
    18,778,556.90/25,914,560.70 = 10,406,066.52/x
  3. Step 3: Cross multiply
    18,778,556.90x = 25,914,560.70 × 10,406,066.52
  4. Step 4: Simplify right side
    18,778,556.90x = 269,668,642,428,747.44
  5. Step 5: Solve for x
    x = 269,668,642,428,747.44/18,778,556.90
  6. Step 6: Final answer
    x = 14,360,456.13

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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.