Home / 13,791,816.80-20,697,056.40-6,214,882.40

Finding the Fourth Proportional to 13,791,816.80, 20,697,056.40 and 6,214,882.40

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Solution

The fourth proportional to 13,791,816.80, 20,697,056.40 and 6,214,882.40 is: 9,326,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,816.80 : 20,697,056.40 = 6,214,882.40 : x
  2. Step 2: Convert to fraction form
    13,791,816.80/20,697,056.40 = 6,214,882.40/x
  3. Step 3: Cross multiply
    13,791,816.80x = 20,697,056.40 × 6,214,882.40
  4. Step 4: Simplify right side
    13,791,816.80x = 128,629,771,552,167.36
  5. Step 5: Solve for x
    x = 128,629,771,552,167.36/13,791,816.80
  6. Step 6: Final answer
    x = 9,326,528.43

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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.