Home / 20,764,404.82-31,153,261.02-14,538,992.17

Finding the Fourth Proportional to 20,764,404.82, 31,153,261.02 and 14,538,992.17

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Solution

The fourth proportional to 20,764,404.82, 31,153,261.02 and 14,538,992.17 is: 21,813,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,764,404.82 : 31,153,261.02 = 14,538,992.17 : x
  2. Step 2: Convert to fraction form
    20,764,404.82/31,153,261.02 = 14,538,992.17/x
  3. Step 3: Cross multiply
    20,764,404.82x = 31,153,261.02 × 14,538,992.17
  4. Step 4: Simplify right side
    20,764,404.82x = 452,937,018,039,746.19
  5. Step 5: Solve for x
    x = 452,937,018,039,746.19/20,764,404.82
  6. Step 6: Final answer
    x = 21,813,147.16

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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.