Home / 15,148,835.86-20,905,416.87-8,622,465.25

Finding the Fourth Proportional to 15,148,835.86, 20,905,416.87 and 8,622,465.25

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Solution

The fourth proportional to 15,148,835.86, 20,905,416.87 and 8,622,465.25 is: 11,899,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148,835.86 : 20,905,416.87 = 8,622,465.25 : x
  2. Step 2: Convert to fraction form
    15,148,835.86/20,905,416.87 = 8,622,465.25/x
  3. Step 3: Cross multiply
    15,148,835.86x = 20,905,416.87 × 8,622,465.25
  4. Step 4: Simplify right side
    15,148,835.86x = 180,256,230,498,338.78
  5. Step 5: Solve for x
    x = 180,256,230,498,338.78/15,148,835.86
  6. Step 6: Final answer
    x = 11,899,015.35

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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.