Home / 12,482,644.80-18,725,425.20-3,963,842.40

Finding the Fourth Proportional to 12,482,644.80, 18,725,425.20 and 3,963,842.40

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Solution

The fourth proportional to 12,482,644.80, 18,725,425.20 and 3,963,842.40 is: 5,946,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,644.80 : 18,725,425.20 = 3,963,842.40 : x
  2. Step 2: Convert to fraction form
    12,482,644.80/18,725,425.20 = 3,963,842.40/x
  3. Step 3: Cross multiply
    12,482,644.80x = 18,725,425.20 × 3,963,842.40
  4. Step 4: Simplify right side
    12,482,644.80x = 74,224,634,365,788.47
  5. Step 5: Solve for x
    x = 74,224,634,365,788.47/12,482,644.80
  6. Step 6: Final answer
    x = 5,946,226.59

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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.