Home / 18,592,879.20-27,889,318.80-7,225,946.70

Finding the Fourth Proportional to 18,592,879.20, 27,889,318.80 and 7,225,946.70

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Solution

The fourth proportional to 18,592,879.20, 27,889,318.80 and 7,225,946.70 is: 10,838,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592,879.20 : 27,889,318.80 = 7,225,946.70 : x
  2. Step 2: Convert to fraction form
    18,592,879.20/27,889,318.80 = 7,225,946.70/x
  3. Step 3: Cross multiply
    18,592,879.20x = 27,889,318.80 × 7,225,946.70
  4. Step 4: Simplify right side
    18,592,879.20x = 201,526,731,148,107.97
  5. Step 5: Solve for x
    x = 201,526,731,148,107.97/18,592,879.20
  6. Step 6: Final answer
    x = 10,838,920.05

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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.