Home / 13,189,814.20-19,784,065.20-6,800,712.40

Finding the Fourth Proportional to 13,189,814.20, 19,784,065.20 and 6,800,712.40

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Solution

The fourth proportional to 13,189,814.20, 19,784,065.20 and 6,800,712.40 is: 10,200,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189,814.20 : 19,784,065.20 = 6,800,712.40 : x
  2. Step 2: Convert to fraction form
    13,189,814.20/19,784,065.20 = 6,800,712.40/x
  3. Step 3: Cross multiply
    13,189,814.20x = 19,784,065.20 × 6,800,712.40
  4. Step 4: Simplify right side
    13,189,814.20x = 134,545,737,528,048.48
  5. Step 5: Solve for x
    x = 134,545,737,528,048.48/13,189,814.20
  6. Step 6: Final answer
    x = 10,200,730.31

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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.