Home / 20,764,440.80-31,153,315.20-14,539,028.12

Finding the Fourth Proportional to 20,764,440.80, 31,153,315.20 and 14,539,028.12

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Solution

The fourth proportional to 20,764,440.80, 31,153,315.20 and 14,539,028.12 is: 21,813,201.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,764,440.80 : 31,153,315.20 = 14,539,028.12 : x
  2. Step 2: Convert to fraction form
    20,764,440.80/31,153,315.20 = 14,539,028.12/x
  3. Step 3: Cross multiply
    20,764,440.80x = 31,153,315.20 × 14,539,028.12
  4. Step 4: Simplify right side
    20,764,440.80x = 452,938,925,724,023.38
  5. Step 5: Solve for x
    x = 452,938,925,724,023.38/20,764,440.80
  6. Step 6: Final answer
    x = 21,813,201.24

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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.