Home / 8,085,261.02-12,117,262.50-3,988,835.06

Finding the Fourth Proportional to 8,085,261.02, 12,117,262.50 and 3,988,835.06

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Solution

The fourth proportional to 8,085,261.02, 12,117,262.50 and 3,988,835.06 is: 5,978,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,261.02 : 12,117,262.50 = 3,988,835.06 : x
  2. Step 2: Convert to fraction form
    8,085,261.02/12,117,262.50 = 3,988,835.06/x
  3. Step 3: Cross multiply
    8,085,261.02x = 12,117,262.50 × 3,988,835.06
  4. Step 4: Simplify right side
    8,085,261.02x = 48,333,761,430,636.94
  5. Step 5: Solve for x
    x = 48,333,761,430,636.94/8,085,261.02
  6. Step 6: Final answer
    x = 5,978,008.79

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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.