Home / 13,988,165.12-20,969,799.84-5,466,563.84

Finding the Fourth Proportional to 13,988,165.12, 20,969,799.84 and 5,466,563.84

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Solution

The fourth proportional to 13,988,165.12, 20,969,799.84 and 5,466,563.84 is: 8,194,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988,165.12 : 20,969,799.84 = 5,466,563.84 : x
  2. Step 2: Convert to fraction form
    13,988,165.12/20,969,799.84 = 5,466,563.84/x
  3. Step 3: Cross multiply
    13,988,165.12x = 20,969,799.84 × 5,466,563.84
  4. Step 4: Simplify right side
    13,988,165.12x = 114,632,749,537,381.78
  5. Step 5: Solve for x
    x = 114,632,749,537,381.78/13,988,165.12
  6. Step 6: Final answer
    x = 8,194,981.15

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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.