Home / 38,040,088.78-52,490,893.84-21,295,745.22

Finding the Fourth Proportional to 38,040,088.78, 52,490,893.84 and 21,295,745.22

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Solution

The fourth proportional to 38,040,088.78, 52,490,893.84 and 21,295,745.22 is: 29,385,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,040,088.78 : 52,490,893.84 = 21,295,745.22 : x
  2. Step 2: Convert to fraction form
    38,040,088.78/52,490,893.84 = 21,295,745.22/x
  3. Step 3: Cross multiply
    38,040,088.78x = 52,490,893.84 × 21,295,745.22
  4. Step 4: Simplify right side
    38,040,088.78x = 1,117,832,701,533,468
  5. Step 5: Solve for x
    x = 1,117,832,701,533,468/38,040,088.78
  6. Step 6: Final answer
    x = 29,385,649.13

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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.