Home / 21,265,228.42-31,851,178.07-17,580,193.70

Finding the Fourth Proportional to 21,265,228.42, 31,851,178.07 and 17,580,193.70

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Solution

The fourth proportional to 21,265,228.42, 31,851,178.07 and 17,580,193.70 is: 26,331,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265,228.42 : 31,851,178.07 = 17,580,193.70 : x
  2. Step 2: Convert to fraction form
    21,265,228.42/31,851,178.07 = 17,580,193.70/x
  3. Step 3: Cross multiply
    21,265,228.42x = 31,851,178.07 × 17,580,193.70
  4. Step 4: Simplify right side
    21,265,228.42x = 559,949,879,796,635.31
  5. Step 5: Solve for x
    x = 559,949,879,796,635.31/21,265,228.42
  6. Step 6: Final answer
    x = 26,331,712.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.