Home / 12,007,405.78-16,570,104.60-6,500,639.41

Finding the Fourth Proportional to 12,007,405.78, 16,570,104.60 and 6,500,639.41

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Solution

The fourth proportional to 12,007,405.78, 16,570,104.60 and 6,500,639.41 is: 8,970,819.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007,405.78 : 16,570,104.60 = 6,500,639.41 : x
  2. Step 2: Convert to fraction form
    12,007,405.78/16,570,104.60 = 6,500,639.41/x
  3. Step 3: Cross multiply
    12,007,405.78x = 16,570,104.60 × 6,500,639.41
  4. Step 4: Simplify right side
    12,007,405.78x = 107,716,274,990,582.28
  5. Step 5: Solve for x
    x = 107,716,274,990,582.28/12,007,405.78
  6. Step 6: Final answer
    x = 8,970,819.92

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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.