Home / 13,571,859.90-20,357,789.85-11,446,095.90

Finding the Fourth Proportional to 13,571,859.90, 20,357,789.85 and 11,446,095.90

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Solution

The fourth proportional to 13,571,859.90, 20,357,789.85 and 11,446,095.90 is: 17,169,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571,859.90 : 20,357,789.85 = 11,446,095.90 : x
  2. Step 2: Convert to fraction form
    13,571,859.90/20,357,789.85 = 11,446,095.90/x
  3. Step 3: Cross multiply
    13,571,859.90x = 20,357,789.85 × 11,446,095.90
  4. Step 4: Simplify right side
    13,571,859.90x = 233,017,214,935,146.62
  5. Step 5: Solve for x
    x = 233,017,214,935,146.62/13,571,859.90
  6. Step 6: Final answer
    x = 17,169,143.85

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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.