Home / 20,764,456.29-31,153,338.45-14,539,043.61

Finding the Fourth Proportional to 20,764,456.29, 31,153,338.45 and 14,539,043.61

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Solution

The fourth proportional to 20,764,456.29, 31,153,338.45 and 14,539,043.61 is: 21,813,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,764,456.29 : 31,153,338.45 = 14,539,043.61 : x
  2. Step 2: Convert to fraction form
    20,764,456.29/31,153,338.45 = 14,539,043.61/x
  3. Step 3: Cross multiply
    20,764,456.29x = 31,153,338.45 × 14,539,043.61
  4. Step 4: Simplify right side
    20,764,456.29x = 452,939,746,321,639.75
  5. Step 5: Solve for x
    x = 452,939,746,321,639.75/20,764,456.29
  6. Step 6: Final answer
    x = 21,813,224.48

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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.