Home / 13,295,929.78-18,356,922.30-8,341,164.10

Finding the Fourth Proportional to 13,295,929.78, 18,356,922.30 and 8,341,164.10

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Solution

The fourth proportional to 13,295,929.78, 18,356,922.30 and 8,341,164.10 is: 11,516,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295,929.78 : 18,356,922.30 = 8,341,164.10 : x
  2. Step 2: Convert to fraction form
    13,295,929.78/18,356,922.30 = 8,341,164.10/x
  3. Step 3: Cross multiply
    13,295,929.78x = 18,356,922.30 × 8,341,164.10
  4. Step 4: Simplify right side
    13,295,929.78x = 153,118,101,275,249.44
  5. Step 5: Solve for x
    x = 153,118,101,275,249.44/13,295,929.78
  6. Step 6: Final answer
    x = 11,516,163.50

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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.