Home / 18,194,076.90-27,283,242.15-7,407,792.90

Finding the Fourth Proportional to 18,194,076.90, 27,283,242.15 and 7,407,792.90

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Solution

The fourth proportional to 18,194,076.90, 27,283,242.15 and 7,407,792.90 is: 11,108,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194,076.90 : 27,283,242.15 = 7,407,792.90 : x
  2. Step 2: Convert to fraction form
    18,194,076.90/27,283,242.15 = 7,407,792.90/x
  3. Step 3: Cross multiply
    18,194,076.90x = 27,283,242.15 × 7,407,792.90
  4. Step 4: Simplify right side
    18,194,076.90x = 202,108,607,487,750.72
  5. Step 5: Solve for x
    x = 202,108,607,487,750.72/18,194,076.90
  6. Step 6: Final answer
    x = 11,108,483.74

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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.