Home / 21,445,498.76-29,595,087.96-11,655,940.10

Finding the Fourth Proportional to 21,445,498.76, 29,595,087.96 and 11,655,940.10

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Solution

The fourth proportional to 21,445,498.76, 29,595,087.96 and 11,655,940.10 is: 16,085,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445,498.76 : 29,595,087.96 = 11,655,940.10 : x
  2. Step 2: Convert to fraction form
    21,445,498.76/29,595,087.96 = 11,655,940.10/x
  3. Step 3: Cross multiply
    21,445,498.76x = 29,595,087.96 × 11,655,940.10
  4. Step 4: Simplify right side
    21,445,498.76x = 344,958,572,515,991.19
  5. Step 5: Solve for x
    x = 344,958,572,515,991.19/21,445,498.76
  6. Step 6: Final answer
    x = 16,085,360.21

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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.