Home / 12,154,224.60-18,231,336.90-3,178,776.60

Finding the Fourth Proportional to 12,154,224.60, 18,231,336.90 and 3,178,776.60

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Solution

The fourth proportional to 12,154,224.60, 18,231,336.90 and 3,178,776.60 is: 4,768,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,224.60 : 18,231,336.90 = 3,178,776.60 : x
  2. Step 2: Convert to fraction form
    12,154,224.60/18,231,336.90 = 3,178,776.60/x
  3. Step 3: Cross multiply
    12,154,224.60x = 18,231,336.90 × 3,178,776.60
  4. Step 4: Simplify right side
    12,154,224.60x = 57,953,347,124,436.54
  5. Step 5: Solve for x
    x = 57,953,347,124,436.54/12,154,224.60
  6. Step 6: Final answer
    x = 4,768,164.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.