Home / 13,295,928.78-18,356,920.92-8,341,163.10

Finding the Fourth Proportional to 13,295,928.78, 18,356,920.92 and 8,341,163.10

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Solution

The fourth proportional to 13,295,928.78, 18,356,920.92 and 8,341,163.10 is: 11,516,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295,928.78 : 18,356,920.92 = 8,341,163.10 : x
  2. Step 2: Convert to fraction form
    13,295,928.78/18,356,920.92 = 8,341,163.10/x
  3. Step 3: Cross multiply
    13,295,928.78x = 18,356,920.92 × 8,341,163.10
  4. Step 4: Simplify right side
    13,295,928.78x = 153,118,071,407,522.06
  5. Step 5: Solve for x
    x = 153,118,071,407,522.06/13,295,928.78
  6. Step 6: Final answer
    x = 11,516,162.12

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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.