Home / 8,428,985.31-12,643,510.77-2,039,227.41

Finding the Fourth Proportional to 8,428,985.31, 12,643,510.77 and 2,039,227.41

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Solution

The fourth proportional to 8,428,985.31, 12,643,510.77 and 2,039,227.41 is: 3,058,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,985.31 : 12,643,510.77 = 2,039,227.41 : x
  2. Step 2: Convert to fraction form
    8,428,985.31/12,643,510.77 = 2,039,227.41/x
  3. Step 3: Cross multiply
    8,428,985.31x = 12,643,510.77 × 2,039,227.41
  4. Step 4: Simplify right side
    8,428,985.31x = 25,782,993,720,814.20
  5. Step 5: Solve for x
    x = 25,782,993,720,814.20/8,428,985.31
  6. Step 6: Final answer
    x = 3,058,849.05

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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.