Home / 11,817,015.57-16,307,465.69-6,384,507.57

Finding the Fourth Proportional to 11,817,015.57, 16,307,465.69 and 6,384,507.57

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Solution

The fourth proportional to 11,817,015.57, 16,307,465.69 and 6,384,507.57 is: 8,810,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817,015.57 : 16,307,465.69 = 6,384,507.57 : x
  2. Step 2: Convert to fraction form
    11,817,015.57/16,307,465.69 = 6,384,507.57/x
  3. Step 3: Cross multiply
    11,817,015.57x = 16,307,465.69 × 6,384,507.57
  4. Step 4: Simplify right side
    11,817,015.57x = 104,115,138,161,281.55
  5. Step 5: Solve for x
    x = 104,115,138,161,281.55/11,817,015.57
  6. Step 6: Final answer
    x = 8,810,611.91

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1.5x scale

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.