Home / 21,408,298.66-29,543,672.93-11,618,827.39

Finding the Fourth Proportional to 21,408,298.66, 29,543,672.93 and 11,618,827.39

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Solution

The fourth proportional to 21,408,298.66, 29,543,672.93 and 11,618,827.39 is: 16,034,101.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,408,298.66 : 29,543,672.93 = 11,618,827.39 : x
  2. Step 2: Convert to fraction form
    21,408,298.66/29,543,672.93 = 11,618,827.39/x
  3. Step 3: Cross multiply
    21,408,298.66x = 29,543,672.93 × 11,618,827.39
  4. Step 4: Simplify right side
    21,408,298.66x = 343,262,836,108,332.25
  5. Step 5: Solve for x
    x = 343,262,836,108,332.25/21,408,298.66
  6. Step 6: Final answer
    x = 16,034,101.62

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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.