Home / 21,296,507.04-29,395,200.11-12,597,703.61

Finding the Fourth Proportional to 21,296,507.04, 29,395,200.11 and 12,597,703.61

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Solution

The fourth proportional to 21,296,507.04, 29,395,200.11 and 12,597,703.61 is: 17,388,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296,507.04 : 29,395,200.11 = 12,597,703.61 : x
  2. Step 2: Convert to fraction form
    21,296,507.04/29,395,200.11 = 12,597,703.61/x
  3. Step 3: Cross multiply
    21,296,507.04x = 29,395,200.11 × 12,597,703.61
  4. Step 4: Simplify right side
    21,296,507.04x = 370,312,018,332,454.88
  5. Step 5: Solve for x
    x = 370,312,018,332,454.88/21,296,507.04
  6. Step 6: Final answer
    x = 17,388,392.27

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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.