Home / 12,482,648.80-18,725,431.20-3,963,846.40

Finding the Fourth Proportional to 12,482,648.80, 18,725,431.20 and 3,963,846.40

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Solution

The fourth proportional to 12,482,648.80, 18,725,431.20 and 3,963,846.40 is: 5,946,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,648.80 : 18,725,431.20 = 3,963,846.40 : x
  2. Step 2: Convert to fraction form
    12,482,648.80/18,725,431.20 = 3,963,846.40/x
  3. Step 3: Cross multiply
    12,482,648.80x = 18,725,431.20 × 3,963,846.40
  4. Step 4: Simplify right side
    12,482,648.80x = 74,224,733,050,567.67
  5. Step 5: Solve for x
    x = 74,224,733,050,567.67/12,482,648.80
  6. Step 6: Final answer
    x = 5,946,232.59

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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.