Home / 13,137,712.80-19,706,432.40-4,162,264.80

Finding the Fourth Proportional to 13,137,712.80, 19,706,432.40 and 4,162,264.80

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Solution

The fourth proportional to 13,137,712.80, 19,706,432.40 and 4,162,264.80 is: 6,243,353.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137,712.80 : 19,706,432.40 = 4,162,264.80 : x
  2. Step 2: Convert to fraction form
    13,137,712.80/19,706,432.40 = 4,162,264.80/x
  3. Step 3: Cross multiply
    13,137,712.80x = 19,706,432.40 × 4,162,264.80
  4. Step 4: Simplify right side
    13,137,712.80x = 82,023,389,912,099.52
  5. Step 5: Solve for x
    x = 82,023,389,912,099.52/13,137,712.80
  6. Step 6: Final answer
    x = 6,243,353.86

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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.