Home / 13,494,897.40-20,236,441.20-5,405,184.40

Finding the Fourth Proportional to 13,494,897.40, 20,236,441.20 and 5,405,184.40

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Solution

The fourth proportional to 13,494,897.40, 20,236,441.20 and 5,405,184.40 is: 8,105,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,897.40 : 20,236,441.20 = 5,405,184.40 : x
  2. Step 2: Convert to fraction form
    13,494,897.40/20,236,441.20 = 5,405,184.40/x
  3. Step 3: Cross multiply
    13,494,897.40x = 20,236,441.20 × 5,405,184.40
  4. Step 4: Simplify right side
    13,494,897.40x = 109,381,696,285,757.28
  5. Step 5: Solve for x
    x = 109,381,696,285,757.28/13,494,897.40
  6. Step 6: Final answer
    x = 8,105,411.48

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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.