Home / 12,346,132.86-17,034,585.39-7,120,739.23

Finding the Fourth Proportional to 12,346,132.86, 17,034,585.39 and 7,120,739.23

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Solution

The fourth proportional to 12,346,132.86, 17,034,585.39 and 7,120,739.23 is: 9,824,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346,132.86 : 17,034,585.39 = 7,120,739.23 : x
  2. Step 2: Convert to fraction form
    12,346,132.86/17,034,585.39 = 7,120,739.23/x
  3. Step 3: Cross multiply
    12,346,132.86x = 17,034,585.39 × 7,120,739.23
  4. Step 4: Simplify right side
    12,346,132.86x = 121,298,840,410,771.39
  5. Step 5: Solve for x
    x = 121,298,840,410,771.39/12,346,132.86
  6. Step 6: Final answer
    x = 9,824,844.90

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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.