Home / 10,516,198.80-15,768,077.40-5,477,350.80

Finding the Fourth Proportional to 10,516,198.80, 15,768,077.40 and 5,477,350.80

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Solution

The fourth proportional to 10,516,198.80, 15,768,077.40 and 5,477,350.80 is: 8,212,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,198.80 : 15,768,077.40 = 5,477,350.80 : x
  2. Step 2: Convert to fraction form
    10,516,198.80/15,768,077.40 = 5,477,350.80/x
  3. Step 3: Cross multiply
    10,516,198.80x = 15,768,077.40 × 5,477,350.80
  4. Step 4: Simplify right side
    10,516,198.80x = 86,367,291,361,351.92
  5. Step 5: Solve for x
    x = 86,367,291,361,351.92/10,516,198.80
  6. Step 6: Final answer
    x = 8,212,786.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.