Home / 12,323,115.15-17,005,688.82-6,816,485.64

Finding the Fourth Proportional to 12,323,115.15, 17,005,688.82 and 6,816,485.64

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Solution

The fourth proportional to 12,323,115.15, 17,005,688.82 and 6,816,485.64 is: 9,406,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323,115.15 : 17,005,688.82 = 6,816,485.64 : x
  2. Step 2: Convert to fraction form
    12,323,115.15/17,005,688.82 = 6,816,485.64/x
  3. Step 3: Cross multiply
    12,323,115.15x = 17,005,688.82 × 6,816,485.64
  4. Step 4: Simplify right side
    12,323,115.15x = 115,919,033,639,838.55
  5. Step 5: Solve for x
    x = 115,919,033,639,838.55/12,323,115.15
  6. Step 6: Final answer
    x = 9,406,633.97

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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.