Home / 8,958,625.56-13,431,637.86-4,161,221.40

Finding the Fourth Proportional to 8,958,625.56, 13,431,637.86 and 4,161,221.40

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Solution

The fourth proportional to 8,958,625.56, 13,431,637.86 and 4,161,221.40 is: 6,238,905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958,625.56 : 13,431,637.86 = 4,161,221.40 : x
  2. Step 2: Convert to fraction form
    8,958,625.56/13,431,637.86 = 4,161,221.40/x
  3. Step 3: Cross multiply
    8,958,625.56x = 13,431,637.86 × 4,161,221.40
  4. Step 4: Simplify right side
    8,958,625.56x = 55,892,018,900,082.20
  5. Step 5: Solve for x
    x = 55,892,018,900,082.20/8,958,625.56
  6. Step 6: Final answer
    x = 6,238,905.57

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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.