Home / 11,778,047.40-17,667,071.10-10,644,306.60

Finding the Fourth Proportional to 11,778,047.40, 17,667,071.10 and 10,644,306.60

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Solution

The fourth proportional to 11,778,047.40, 17,667,071.10 and 10,644,306.60 is: 15,966,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778,047.40 : 17,667,071.10 = 10,644,306.60 : x
  2. Step 2: Convert to fraction form
    11,778,047.40/17,667,071.10 = 10,644,306.60/x
  3. Step 3: Cross multiply
    11,778,047.40x = 17,667,071.10 × 10,644,306.60
  4. Step 4: Simplify right side
    11,778,047.40x = 188,053,721,512,399.28
  5. Step 5: Solve for x
    x = 188,053,721,512,399.28/11,778,047.40
  6. Step 6: Final answer
    x = 15,966,459.90

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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.