Home / 13,425,772.60-20,146,532.10-4,906,970.20

Finding the Fourth Proportional to 13,425,772.60, 20,146,532.10 and 4,906,970.20

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Solution

The fourth proportional to 13,425,772.60, 20,146,532.10 and 4,906,970.20 is: 7,363,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425,772.60 : 20,146,532.10 = 4,906,970.20 : x
  2. Step 2: Convert to fraction form
    13,425,772.60/20,146,532.10 = 4,906,970.20/x
  3. Step 3: Cross multiply
    13,425,772.60x = 20,146,532.10 × 4,906,970.20
  4. Step 4: Simplify right side
    13,425,772.60x = 98,858,432,648,043.44
  5. Step 5: Solve for x
    x = 98,858,432,648,043.44/13,425,772.60
  6. Step 6: Final answer
    x = 7,363,332.87

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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.