Home / 20,533,784.73-28,334,655.86-12,272,202.24

Finding the Fourth Proportional to 20,533,784.73, 28,334,655.86 and 12,272,202.24

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Solution

The fourth proportional to 20,533,784.73, 28,334,655.86 and 12,272,202.24 is: 16,934,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533,784.73 : 28,334,655.86 = 12,272,202.24 : x
  2. Step 2: Convert to fraction form
    20,533,784.73/28,334,655.86 = 12,272,202.24/x
  3. Step 3: Cross multiply
    20,533,784.73x = 28,334,655.86 × 12,272,202.24
  4. Step 4: Simplify right side
    20,533,784.73x = 347,728,627,053,360.12
  5. Step 5: Solve for x
    x = 347,728,627,053,360.12/20,533,784.73
  6. Step 6: Final answer
    x = 16,934,463.45

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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.