Home / 12,161,859.53-16,783,367.47-6,655,235.55

Finding the Fourth Proportional to 12,161,859.53, 16,783,367.47 and 6,655,235.55

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Solution

The fourth proportional to 12,161,859.53, 16,783,367.47 and 6,655,235.55 is: 9,184,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,859.53 : 16,783,367.47 = 6,655,235.55 : x
  2. Step 2: Convert to fraction form
    12,161,859.53/16,783,367.47 = 6,655,235.55/x
  3. Step 3: Cross multiply
    12,161,859.53x = 16,783,367.47 × 6,655,235.55
  4. Step 4: Simplify right side
    12,161,859.53x = 111,697,263,818,419.47
  5. Step 5: Solve for x
    x = 111,697,263,818,419.47/12,161,859.53
  6. Step 6: Final answer
    x = 9,184,225.78

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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.