Home / 5,379,686.60-8,085,276.30-5,285,208.20

Finding the Fourth Proportional to 5,379,686.60, 8,085,276.30 and 5,285,208.20

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Solution

The fourth proportional to 5,379,686.60, 8,085,276.30 and 5,285,208.20 is: 7,943,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,686.60 : 8,085,276.30 = 5,285,208.20 : x
  2. Step 2: Convert to fraction form
    5,379,686.60/8,085,276.30 = 5,285,208.20/x
  3. Step 3: Cross multiply
    5,379,686.60x = 8,085,276.30 × 5,285,208.20
  4. Step 4: Simplify right side
    5,379,686.60x = 42,732,368,600,025.66
  5. Step 5: Solve for x
    x = 42,732,368,600,025.66/5,379,686.60
  6. Step 6: Final answer
    x = 7,943,282.16

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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.