Home / 14,232,108.78-19,640,226.96-7,705,601.28

Finding the Fourth Proportional to 14,232,108.78, 19,640,226.96 and 7,705,601.28

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Solution

The fourth proportional to 14,232,108.78, 19,640,226.96 and 7,705,601.28 is: 10,633,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,232,108.78 : 19,640,226.96 = 7,705,601.28 : x
  2. Step 2: Convert to fraction form
    14,232,108.78/19,640,226.96 = 7,705,601.28/x
  3. Step 3: Cross multiply
    14,232,108.78x = 19,640,226.96 × 7,705,601.28
  4. Step 4: Simplify right side
    14,232,108.78x = 151,339,758,002,466.53
  5. Step 5: Solve for x
    x = 151,339,758,002,466.53/14,232,108.78
  6. Step 6: Final answer
    x = 10,633,684.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.