Home / 18,220,674.60-27,310,016.70-7,430,891.40

Finding the Fourth Proportional to 18,220,674.60, 27,310,016.70 and 7,430,891.40

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Solution

The fourth proportional to 18,220,674.60, 27,310,016.70 and 7,430,891.40 is: 11,137,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220,674.60 : 27,310,016.70 = 7,430,891.40 : x
  2. Step 2: Convert to fraction form
    18,220,674.60/27,310,016.70 = 7,430,891.40/x
  3. Step 3: Cross multiply
    18,220,674.60x = 27,310,016.70 × 7,430,891.40
  4. Step 4: Simplify right side
    18,220,674.60x = 202,937,768,229,886.38
  5. Step 5: Solve for x
    x = 202,937,768,229,886.38/18,220,674.60
  6. Step 6: Final answer
    x = 11,137,774.68

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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.