Home / 21,495,684.87-29,662,701.43-11,837,892.87

Finding the Fourth Proportional to 21,495,684.87, 29,662,701.43 and 11,837,892.87

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Solution

The fourth proportional to 21,495,684.87, 29,662,701.43 and 11,837,892.87 is: 16,335,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495,684.87 : 29,662,701.43 = 11,837,892.87 : x
  2. Step 2: Convert to fraction form
    21,495,684.87/29,662,701.43 = 11,837,892.87/x
  3. Step 3: Cross multiply
    21,495,684.87x = 29,662,701.43 × 11,837,892.87
  4. Step 4: Simplify right side
    21,495,684.87x = 351,143,881,763,135.75
  5. Step 5: Solve for x
    x = 351,143,881,763,135.75/21,495,684.87
  6. Step 6: Final answer
    x = 16,335,552.18

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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.