Home / 11,821,535.20-17,732,302.80-6,768,690.40

Finding the Fourth Proportional to 11,821,535.20, 17,732,302.80 and 6,768,690.40

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Solution

The fourth proportional to 11,821,535.20, 17,732,302.80 and 6,768,690.40 is: 10,153,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,535.20 : 17,732,302.80 = 6,768,690.40 : x
  2. Step 2: Convert to fraction form
    11,821,535.20/17,732,302.80 = 6,768,690.40/x
  3. Step 3: Cross multiply
    11,821,535.20x = 17,732,302.80 × 6,768,690.40
  4. Step 4: Simplify right side
    11,821,535.20x = 120,024,467,732,253.12
  5. Step 5: Solve for x
    x = 120,024,467,732,253.12/11,821,535.20
  6. Step 6: Final answer
    x = 10,153,035.60

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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.