Home / 21,027,944.21-29,017,911.89-11,860,454.93

Finding the Fourth Proportional to 21,027,944.21, 29,017,911.89 and 11,860,454.93

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Solution

The fourth proportional to 21,027,944.21, 29,017,911.89 and 11,860,454.93 is: 16,367,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027,944.21 : 29,017,911.89 = 11,860,454.93 : x
  2. Step 2: Convert to fraction form
    21,027,944.21/29,017,911.89 = 11,860,454.93/x
  3. Step 3: Cross multiply
    21,027,944.21x = 29,017,911.89 × 11,860,454.93
  4. Step 4: Simplify right side
    21,027,944.21x = 344,165,636,018,617.69
  5. Step 5: Solve for x
    x = 344,165,636,018,617.69/21,027,944.21
  6. Step 6: Final answer
    x = 16,367,060.55

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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.