Home / 21,959,149.65-30,265,801.95-14,603,840.15

Finding the Fourth Proportional to 21,959,149.65, 30,265,801.95 and 14,603,840.15

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Solution

The fourth proportional to 21,959,149.65, 30,265,801.95 and 14,603,840.15 is: 20,128,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,959,149.65 : 30,265,801.95 = 14,603,840.15 : x
  2. Step 2: Convert to fraction form
    21,959,149.65/30,265,801.95 = 14,603,840.15/x
  3. Step 3: Cross multiply
    21,959,149.65x = 30,265,801.95 × 14,603,840.15
  4. Step 4: Simplify right side
    21,959,149.65x = 441,996,933,538,029.25
  5. Step 5: Solve for x
    x = 441,996,933,538,029.25/21,959,149.65
  6. Step 6: Final answer
    x = 20,128,144.33

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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.