Home / 18,382,287.40-27,573,431.10-4,919,115.40

Finding the Fourth Proportional to 18,382,287.40, 27,573,431.10 and 4,919,115.40

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Solution

The fourth proportional to 18,382,287.40, 27,573,431.10 and 4,919,115.40 is: 7,378,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382,287.40 : 27,573,431.10 = 4,919,115.40 : x
  2. Step 2: Convert to fraction form
    18,382,287.40/27,573,431.10 = 4,919,115.40/x
  3. Step 3: Cross multiply
    18,382,287.40x = 27,573,431.10 × 4,919,115.40
  4. Step 4: Simplify right side
    18,382,287.40x = 135,636,889,554,848.95
  5. Step 5: Solve for x
    x = 135,636,889,554,848.95/18,382,287.40
  6. Step 6: Final answer
    x = 7,378,673.10

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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.