Home / 18,382,425.60-27,573,638.40-4,919,253.60

Finding the Fourth Proportional to 18,382,425.60, 27,573,638.40 and 4,919,253.60

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Solution

The fourth proportional to 18,382,425.60, 27,573,638.40 and 4,919,253.60 is: 7,378,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382,425.60 : 27,573,638.40 = 4,919,253.60 : x
  2. Step 2: Convert to fraction form
    18,382,425.60/27,573,638.40 = 4,919,253.60/x
  3. Step 3: Cross multiply
    18,382,425.60x = 27,573,638.40 × 4,919,253.60
  4. Step 4: Simplify right side
    18,382,425.60x = 135,641,719,964,298.22
  5. Step 5: Solve for x
    x = 135,641,719,964,298.22/18,382,425.60
  6. Step 6: Final answer
    x = 7,378,880.40

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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.