Home / 28,364,814.80-42,541,317.30-12,191,293.70

Finding the Fourth Proportional to 28,364,814.80, 42,541,317.30 and 12,191,293.70

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Solution

The fourth proportional to 28,364,814.80, 42,541,317.30 and 12,191,293.70 is: 18,284,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364,814.80 : 42,541,317.30 = 12,191,293.70 : x
  2. Step 2: Convert to fraction form
    28,364,814.80/42,541,317.30 = 12,191,293.70/x
  3. Step 3: Cross multiply
    28,364,814.80x = 42,541,317.30 × 12,191,293.70
  4. Step 4: Simplify right side
    28,364,814.80x = 518,633,693,589,190.94
  5. Step 5: Solve for x
    x = 518,633,693,589,190.94/28,364,814.80
  6. Step 6: Final answer
    x = 18,284,402.60

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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.