Home / 13,115,210.28-18,098,955-7,313,998.56

Finding the Fourth Proportional to 13,115,210.28, 18,098,955 and 7,313,998.56

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Solution

The fourth proportional to 13,115,210.28, 18,098,955 and 7,313,998.56 is: 10,093,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,210.28 : 18,098,955 = 7,313,998.56 : x
  2. Step 2: Convert to fraction form
    13,115,210.28/18,098,955 = 7,313,998.56/x
  3. Step 3: Cross multiply
    13,115,210.28x = 18,098,955 × 7,313,998.56
  4. Step 4: Simplify right side
    13,115,210.28x = 132,375,730,807,504.80
  5. Step 5: Solve for x
    x = 132,375,730,807,504.80/13,115,210.28
  6. Step 6: Final answer
    x = 10,093,298.39

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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.