Home / 13,141,054.20-19,715,267.70-6,409,687.80

Finding the Fourth Proportional to 13,141,054.20, 19,715,267.70 and 6,409,687.80

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Solution

The fourth proportional to 13,141,054.20, 19,715,267.70 and 6,409,687.80 is: 9,616,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,054.20 : 19,715,267.70 = 6,409,687.80 : x
  2. Step 2: Convert to fraction form
    13,141,054.20/19,715,267.70 = 6,409,687.80/x
  3. Step 3: Cross multiply
    13,141,054.20x = 19,715,267.70 × 6,409,687.80
  4. Step 4: Simplify right side
    13,141,054.20x = 126,368,710,850,424.05
  5. Step 5: Solve for x
    x = 126,368,710,850,424.05/13,141,054.20
  6. Step 6: Final answer
    x = 9,616,329.78

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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.