Home / 28,066,542.80-42,068,321.40-15,941,814.80

Finding the Fourth Proportional to 28,066,542.80, 42,068,321.40 and 15,941,814.80

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Solution

The fourth proportional to 28,066,542.80, 42,068,321.40 and 15,941,814.80 is: 23,894,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066,542.80 : 42,068,321.40 = 15,941,814.80 : x
  2. Step 2: Convert to fraction form
    28,066,542.80/42,068,321.40 = 15,941,814.80/x
  3. Step 3: Cross multiply
    28,066,542.80x = 42,068,321.40 × 15,941,814.80
  4. Step 4: Simplify right side
    28,066,542.80x = 670,645,388,705,676.75
  5. Step 5: Solve for x
    x = 670,645,388,705,676.75/28,066,542.80
  6. Step 6: Final answer
    x = 23,894,834.27

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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.