Home / 21,635,707.52-29,857,271.12-11,846,149.12

Finding the Fourth Proportional to 21,635,707.52, 29,857,271.12 and 11,846,149.12

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Solution

The fourth proportional to 21,635,707.52, 29,857,271.12 and 11,846,149.12 is: 16,347,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,635,707.52 : 29,857,271.12 = 11,846,149.12 : x
  2. Step 2: Convert to fraction form
    21,635,707.52/29,857,271.12 = 11,846,149.12/x
  3. Step 3: Cross multiply
    21,635,707.52x = 29,857,271.12 × 11,846,149.12
  4. Step 4: Simplify right side
    21,635,707.52x = 353,693,686,026,303.31
  5. Step 5: Solve for x
    x = 353,693,686,026,303.31/21,635,707.52
  6. Step 6: Final answer
    x = 16,347,682.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.