Home / 28,188,045.90-42,345,054.45-27,432,218.70

Finding the Fourth Proportional to 28,188,045.90, 42,345,054.45 and 27,432,218.70

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Solution

The fourth proportional to 28,188,045.90, 42,345,054.45 and 27,432,218.70 is: 41,209,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,045.90 : 42,345,054.45 = 27,432,218.70 : x
  2. Step 2: Convert to fraction form
    28,188,045.90/42,345,054.45 = 27,432,218.70/x
  3. Step 3: Cross multiply
    28,188,045.90x = 42,345,054.45 × 27,432,218.70
  4. Step 4: Simplify right side
    28,188,045.90x = 1,161,618,794,535,808.25
  5. Step 5: Solve for x
    x = 1,161,618,794,535,808.25/28,188,045.90
  6. Step 6: Final answer
    x = 41,209,624.77

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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.