Home / 12,962,644.38-19,443,973.05-3,377,998.62

Finding the Fourth Proportional to 12,962,644.38, 19,443,973.05 and 3,377,998.62

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Solution

The fourth proportional to 12,962,644.38, 19,443,973.05 and 3,377,998.62 is: 5,066,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962,644.38 : 19,443,973.05 = 3,377,998.62 : x
  2. Step 2: Convert to fraction form
    12,962,644.38/19,443,973.05 = 3,377,998.62/x
  3. Step 3: Cross multiply
    12,962,644.38x = 19,443,973.05 × 3,377,998.62
  4. Step 4: Simplify right side
    12,962,644.38x = 65,681,714,130,217.20
  5. Step 5: Solve for x
    x = 65,681,714,130,217.20/12,962,644.38
  6. Step 6: Final answer
    x = 5,066,999.62

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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.