Home / 8,143,566.32-12,215,342.53-2,078,297.56

Finding the Fourth Proportional to 8,143,566.32, 12,215,342.53 and 2,078,297.56

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Solution

The fourth proportional to 8,143,566.32, 12,215,342.53 and 2,078,297.56 is: 3,117,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,566.32 : 12,215,342.53 = 2,078,297.56 : x
  2. Step 2: Convert to fraction form
    8,143,566.32/12,215,342.53 = 2,078,297.56/x
  3. Step 3: Cross multiply
    8,143,566.32x = 12,215,342.53 × 2,078,297.56
  4. Step 4: Simplify right side
    8,143,566.32x = 25,387,116,592,530.28
  5. Step 5: Solve for x
    x = 25,387,116,592,530.28/8,143,566.32
  6. Step 6: Final answer
    x = 3,117,444.57

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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.