Home / 20,436,468.84-30,655,427.42-5,083,838.44

Finding the Fourth Proportional to 20,436,468.84, 30,655,427.42 and 5,083,838.44

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Solution

The fourth proportional to 20,436,468.84, 30,655,427.42 and 5,083,838.44 is: 7,625,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,436,468.84 : 30,655,427.42 = 5,083,838.44 : x
  2. Step 2: Convert to fraction form
    20,436,468.84/30,655,427.42 = 5,083,838.44/x
  3. Step 3: Cross multiply
    20,436,468.84x = 30,655,427.42 × 5,083,838.44
  4. Step 4: Simplify right side
    20,436,468.84x = 155,847,240,312,426.03
  5. Step 5: Solve for x
    x = 155,847,240,312,426.03/20,436,468.84
  6. Step 6: Final answer
    x = 7,625,937.80

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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.