Home / 11,785,867.80-17,678,801.70-4,213,080.60

Finding the Fourth Proportional to 11,785,867.80, 17,678,801.70 and 4,213,080.60

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Solution

The fourth proportional to 11,785,867.80, 17,678,801.70 and 4,213,080.60 is: 6,319,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785,867.80 : 17,678,801.70 = 4,213,080.60 : x
  2. Step 2: Convert to fraction form
    11,785,867.80/17,678,801.70 = 4,213,080.60/x
  3. Step 3: Cross multiply
    11,785,867.80x = 17,678,801.70 × 4,213,080.60
  4. Step 4: Simplify right side
    11,785,867.80x = 74,482,216,473,517.02
  5. Step 5: Solve for x
    x = 74,482,216,473,517.02/11,785,867.80
  6. Step 6: Final answer
    x = 6,319,620.90

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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.