Home / 13,091,989.20-19,641,073.68-4,116,541.20

Finding the Fourth Proportional to 13,091,989.20, 19,641,073.68 and 4,116,541.20

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Solution

The fourth proportional to 13,091,989.20, 19,641,073.68 and 4,116,541.20 is: 6,175,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091,989.20 : 19,641,073.68 = 4,116,541.20 : x
  2. Step 2: Convert to fraction form
    13,091,989.20/19,641,073.68 = 4,116,541.20/x
  3. Step 3: Cross multiply
    13,091,989.20x = 19,641,073.68 × 4,116,541.20
  4. Step 4: Simplify right side
    13,091,989.20x = 80,853,289,015,955.62
  5. Step 5: Solve for x
    x = 80,853,289,015,955.62/13,091,989.20
  6. Step 6: Final answer
    x = 6,175,783.36

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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.