Home / 12,203,041.86-16,840,151.91-6,696,509.40

Finding the Fourth Proportional to 12,203,041.86, 16,840,151.91 and 6,696,509.40

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Solution

The fourth proportional to 12,203,041.86, 16,840,151.91 and 6,696,509.40 is: 9,241,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203,041.86 : 16,840,151.91 = 6,696,509.40 : x
  2. Step 2: Convert to fraction form
    12,203,041.86/16,840,151.91 = 6,696,509.40/x
  3. Step 3: Cross multiply
    12,203,041.86x = 16,840,151.91 × 6,696,509.40
  4. Step 4: Simplify right side
    12,203,041.86x = 112,770,235,562,742.97
  5. Step 5: Solve for x
    x = 112,770,235,562,742.97/12,203,041.86
  6. Step 6: Final answer
    x = 9,241,157.81

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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.