Home / 9,672,561.54-14,510,613.78-3,989,685.78

Finding the Fourth Proportional to 9,672,561.54, 14,510,613.78 and 3,989,685.78

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Solution

The fourth proportional to 9,672,561.54, 14,510,613.78 and 3,989,685.78 is: 5,985,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672,561.54 : 14,510,613.78 = 3,989,685.78 : x
  2. Step 2: Convert to fraction form
    9,672,561.54/14,510,613.78 = 3,989,685.78/x
  3. Step 3: Cross multiply
    9,672,561.54x = 14,510,613.78 × 3,989,685.78
  4. Step 4: Simplify right side
    9,672,561.54x = 57,892,789,457,138.04
  5. Step 5: Solve for x
    x = 57,892,789,457,138.04/9,672,561.54
  6. Step 6: Final answer
    x = 5,985,259.36

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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.