Home / 13,888,711.17-20,825,456.00-4,301,428.05

Finding the Fourth Proportional to 13,888,711.17, 20,825,456.00 and 4,301,428.05

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Solution

The fourth proportional to 13,888,711.17, 20,825,456.00 and 4,301,428.05 is: 6,449,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,711.17 : 20,825,456.00 = 4,301,428.05 : x
  2. Step 2: Convert to fraction form
    13,888,711.17/20,825,456.00 = 4,301,428.05/x
  3. Step 3: Cross multiply
    13,888,711.17x = 20,825,456.00 × 4,301,428.05
  4. Step 4: Simplify right side
    13,888,711.17x = 89,579,200,570,933.66
  5. Step 5: Solve for x
    x = 89,579,200,570,933.66/13,888,711.17
  6. Step 6: Final answer
    x = 6,449,784.97

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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.