Home / 56,905,882.36-85,359,047.66-13,775,016.48

Finding the Fourth Proportional to 56,905,882.36, 85,359,047.66 and 13,775,016.48

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Solution

The fourth proportional to 56,905,882.36, 85,359,047.66 and 13,775,016.48 is: 20,662,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,905,882.36 : 85,359,047.66 = 13,775,016.48 : x
  2. Step 2: Convert to fraction form
    56,905,882.36/85,359,047.66 = 13,775,016.48/x
  3. Step 3: Cross multiply
    56,905,882.36x = 85,359,047.66 × 13,775,016.48
  4. Step 4: Simplify right side
    56,905,882.36x = 1,175,822,288,233,605.50
  5. Step 5: Solve for x
    x = 1,175,822,288,233,605.50/56,905,882.36
  6. Step 6: Final answer
    x = 20,662,578.97

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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.