Home / 15,543,419.85-23,315,129.78-4,905,851.85

Finding the Fourth Proportional to 15,543,419.85, 23,315,129.78 and 4,905,851.85

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Solution

The fourth proportional to 15,543,419.85, 23,315,129.78 and 4,905,851.85 is: 7,358,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543,419.85 : 23,315,129.78 = 4,905,851.85 : x
  2. Step 2: Convert to fraction form
    15,543,419.85/23,315,129.78 = 4,905,851.85/x
  3. Step 3: Cross multiply
    15,543,419.85x = 23,315,129.78 × 4,905,851.85
  4. Step 4: Simplify right side
    15,543,419.85x = 114,380,572,539,673.81
  5. Step 5: Solve for x
    x = 114,380,572,539,673.81/15,543,419.85
  6. Step 6: Final answer
    x = 7,358,777.78

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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.