Home / 8,493,140.80-12,752,152.80-5,979,937.60

Finding the Fourth Proportional to 8,493,140.80, 12,752,152.80 and 5,979,937.60

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Solution

The fourth proportional to 8,493,140.80, 12,752,152.80 and 5,979,937.60 is: 8,978,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493,140.80 : 12,752,152.80 = 5,979,937.60 : x
  2. Step 2: Convert to fraction form
    8,493,140.80/12,752,152.80 = 5,979,937.60/x
  3. Step 3: Cross multiply
    8,493,140.80x = 12,752,152.80 × 5,979,937.60
  4. Step 4: Simplify right side
    8,493,140.80x = 76,257,078,009,665.28
  5. Step 5: Solve for x
    x = 76,257,078,009,665.28/8,493,140.80
  6. Step 6: Final answer
    x = 8,978,666.41

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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.