Home / 12,085,881.16-18,124,233.90-3,996,430.60

Finding the Fourth Proportional to 12,085,881.16, 18,124,233.90 and 3,996,430.60

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Solution

The fourth proportional to 12,085,881.16, 18,124,233.90 and 3,996,430.60 is: 5,993,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085,881.16 : 18,124,233.90 = 3,996,430.60 : x
  2. Step 2: Convert to fraction form
    12,085,881.16/18,124,233.90 = 3,996,430.60/x
  3. Step 3: Cross multiply
    12,085,881.16x = 18,124,233.90 × 3,996,430.60
  4. Step 4: Simplify right side
    12,085,881.16x = 72,432,242,959,517.33
  5. Step 5: Solve for x
    x = 72,432,242,959,517.33/12,085,881.16
  6. Step 6: Final answer
    x = 5,993,128.84

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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.