Home / 13,482,835.20-20,224,252.80-4,961,408.40

Finding the Fourth Proportional to 13,482,835.20, 20,224,252.80 and 4,961,408.40

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Solution

The fourth proportional to 13,482,835.20, 20,224,252.80 and 4,961,408.40 is: 7,442,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482,835.20 : 20,224,252.80 = 4,961,408.40 : x
  2. Step 2: Convert to fraction form
    13,482,835.20/20,224,252.80 = 4,961,408.40/x
  3. Step 3: Cross multiply
    13,482,835.20x = 20,224,252.80 × 4,961,408.40
  4. Step 4: Simplify right side
    13,482,835.20x = 100,340,777,725,643.53
  5. Step 5: Solve for x
    x = 100,340,777,725,643.53/13,482,835.20
  6. Step 6: Final answer
    x = 7,442,112.60

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1.5x scale

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.