Home / 18,679,072.41-25,778,275.11-10,306,401.26

Finding the Fourth Proportional to 18,679,072.41, 25,778,275.11 and 10,306,401.26

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Solution

The fourth proportional to 18,679,072.41, 25,778,275.11 and 10,306,401.26 is: 14,223,471.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,072.41 : 25,778,275.11 = 10,306,401.26 : x
  2. Step 2: Convert to fraction form
    18,679,072.41/25,778,275.11 = 10,306,401.26/x
  3. Step 3: Cross multiply
    18,679,072.41x = 25,778,275.11 × 10,306,401.26
  4. Step 4: Simplify right side
    18,679,072.41x = 265,681,246,945,439.28
  5. Step 5: Solve for x
    x = 265,681,246,945,439.28/18,679,072.41
  6. Step 6: Final answer
    x = 14,223,471.12

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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.