Home / 8,769,986.20-13,154,979.30-6,077,351.80

Finding the Fourth Proportional to 8,769,986.20, 13,154,979.30 and 6,077,351.80

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Solution

The fourth proportional to 8,769,986.20, 13,154,979.30 and 6,077,351.80 is: 9,116,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769,986.20 : 13,154,979.30 = 6,077,351.80 : x
  2. Step 2: Convert to fraction form
    8,769,986.20/13,154,979.30 = 6,077,351.80/x
  3. Step 3: Cross multiply
    8,769,986.20x = 13,154,979.30 × 6,077,351.80
  4. Step 4: Simplify right side
    8,769,986.20x = 79,947,437,127,817.73
  5. Step 5: Solve for x
    x = 79,947,437,127,817.73/8,769,986.20
  6. Step 6: Final answer
    x = 9,116,027.70

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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.