Home / 21,306,720.08-31,963,262.52-7,842,524.24

Finding the Fourth Proportional to 21,306,720.08, 31,963,262.52 and 7,842,524.24

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Solution

The fourth proportional to 21,306,720.08, 31,963,262.52 and 7,842,524.24 is: 11,764,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,720.08 : 31,963,262.52 = 7,842,524.24 : x
  2. Step 2: Convert to fraction form
    21,306,720.08/31,963,262.52 = 7,842,524.24/x
  3. Step 3: Cross multiply
    21,306,720.08x = 31,963,262.52 × 7,842,524.24
  4. Step 4: Simplify right side
    21,306,720.08x = 250,672,661,102,583.50
  5. Step 5: Solve for x
    x = 250,672,661,102,583.50/21,306,720.08
  6. Step 6: Final answer
    x = 11,764,957.73

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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.