Home / 28,981,315.80-43,471,973.70-17,643,907.80

Finding the Fourth Proportional to 28,981,315.80, 43,471,973.70 and 17,643,907.80

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Solution

The fourth proportional to 28,981,315.80, 43,471,973.70 and 17,643,907.80 is: 26,465,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981,315.80 : 43,471,973.70 = 17,643,907.80 : x
  2. Step 2: Convert to fraction form
    28,981,315.80/43,471,973.70 = 17,643,907.80/x
  3. Step 3: Cross multiply
    28,981,315.80x = 43,471,973.70 × 17,643,907.80
  4. Step 4: Simplify right side
    28,981,315.80x = 767,015,495,846,825
  5. Step 5: Solve for x
    x = 767,015,495,846,825/28,981,315.80
  6. Step 6: Final answer
    x = 26,465,861.70

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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.