Home / 19,965,755.41-29,869,835.50-15,122,018.79

Finding the Fourth Proportional to 19,965,755.41, 29,869,835.50 and 15,122,018.79

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Solution

The fourth proportional to 19,965,755.41, 29,869,835.50 and 15,122,018.79 is: 22,623,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965,755.41 : 29,869,835.50 = 15,122,018.79 : x
  2. Step 2: Convert to fraction form
    19,965,755.41/29,869,835.50 = 15,122,018.79/x
  3. Step 3: Cross multiply
    19,965,755.41x = 29,869,835.50 × 15,122,018.79
  4. Step 4: Simplify right side
    19,965,755.41x = 451,692,213,704,111.50
  5. Step 5: Solve for x
    x = 451,692,213,704,111.50/19,965,755.41
  6. Step 6: Final answer
    x = 22,623,347.05

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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.