Home / 7,637,800.72-11,455,845.72-1,958,158.48

Finding the Fourth Proportional to 7,637,800.72, 11,455,845.72 and 1,958,158.48

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Solution

The fourth proportional to 7,637,800.72, 11,455,845.72 and 1,958,158.48 is: 2,937,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637,800.72 : 11,455,845.72 = 1,958,158.48 : x
  2. Step 2: Convert to fraction form
    7,637,800.72/11,455,845.72 = 1,958,158.48/x
  3. Step 3: Cross multiply
    7,637,800.72x = 11,455,845.72 × 1,958,158.48
  4. Step 4: Simplify right side
    7,637,800.72x = 22,432,361,442,189.71
  5. Step 5: Solve for x
    x = 22,432,361,442,189.71/7,637,800.72
  6. Step 6: Final answer
    x = 2,937,018.43

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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.