Home / 11,689,781.81-16,131,922.27-6,533,143.20

Finding the Fourth Proportional to 11,689,781.81, 16,131,922.27 and 6,533,143.20

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Solution

The fourth proportional to 11,689,781.81, 16,131,922.27 and 6,533,143.20 is: 9,015,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689,781.81 : 16,131,922.27 = 6,533,143.20 : x
  2. Step 2: Convert to fraction form
    11,689,781.81/16,131,922.27 = 6,533,143.20/x
  3. Step 3: Cross multiply
    11,689,781.81x = 16,131,922.27 × 6,533,143.20
  4. Step 4: Simplify right side
    11,689,781.81x = 105,392,158,264,846.20
  5. Step 5: Solve for x
    x = 105,392,158,264,846.20/11,689,781.81
  6. Step 6: Final answer
    x = 9,015,750.68

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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.