Home / 13,306,470.24-19,961,857.80-5,215,056.24

Finding the Fourth Proportional to 13,306,470.24, 19,961,857.80 and 5,215,056.24

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Solution

The fourth proportional to 13,306,470.24, 19,961,857.80 and 5,215,056.24 is: 7,823,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,470.24 : 19,961,857.80 = 5,215,056.24 : x
  2. Step 2: Convert to fraction form
    13,306,470.24/19,961,857.80 = 5,215,056.24/x
  3. Step 3: Cross multiply
    13,306,470.24x = 19,961,857.80 × 5,215,056.24
  4. Step 4: Simplify right side
    13,306,470.24x = 104,102,211,081,882.69
  5. Step 5: Solve for x
    x = 104,102,211,081,882.69/13,306,470.24
  6. Step 6: Final answer
    x = 7,823,427.94

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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.