Home / 21,959,149.53-30,265,801.78-14,603,840.02

Finding the Fourth Proportional to 21,959,149.53, 30,265,801.78 and 14,603,840.02

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Solution

The fourth proportional to 21,959,149.53, 30,265,801.78 and 14,603,840.02 is: 20,128,144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,959,149.53 : 30,265,801.78 = 14,603,840.02 : x
  2. Step 2: Convert to fraction form
    21,959,149.53/30,265,801.78 = 14,603,840.02/x
  3. Step 3: Cross multiply
    21,959,149.53x = 30,265,801.78 × 14,603,840.02
  4. Step 4: Simplify right side
    21,959,149.53x = 441,996,927,272,151.25
  5. Step 5: Solve for x
    x = 441,996,927,272,151.25/21,959,149.53
  6. Step 6: Final answer
    x = 20,128,144.16

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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.