Home / 28,512,463.20-42,768,694.80-23,788,543.20

Finding the Fourth Proportional to 28,512,463.20, 42,768,694.80 and 23,788,543.20

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Solution

The fourth proportional to 28,512,463.20, 42,768,694.80 and 23,788,543.20 is: 35,682,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,463.20 : 42,768,694.80 = 23,788,543.20 : x
  2. Step 2: Convert to fraction form
    28,512,463.20/42,768,694.80 = 23,788,543.20/x
  3. Step 3: Cross multiply
    28,512,463.20x = 42,768,694.80 × 23,788,543.20
  4. Step 4: Simplify right side
    28,512,463.20x = 1,017,404,943,857,415.25
  5. Step 5: Solve for x
    x = 1,017,404,943,857,415.25/28,512,463.20
  6. Step 6: Final answer
    x = 35,682,814.80

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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.