Home / 21,730,511.75-29,958,141.15-17,335,155.60

Finding the Fourth Proportional to 21,730,511.75, 29,958,141.15 and 17,335,155.60

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Solution

The fourth proportional to 21,730,511.75, 29,958,141.15 and 17,335,155.60 is: 23,898,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,511.75 : 29,958,141.15 = 17,335,155.60 : x
  2. Step 2: Convert to fraction form
    21,730,511.75/29,958,141.15 = 17,335,155.60/x
  3. Step 3: Cross multiply
    21,730,511.75x = 29,958,141.15 × 17,335,155.60
  4. Step 4: Simplify right side
    21,730,511.75x = 519,329,038,322,012.94
  5. Step 5: Solve for x
    x = 519,329,038,322,012.94/21,730,511.75
  6. Step 6: Final answer
    x = 23,898,610.60

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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.