Home / 14,232,082.78-19,640,191.08-7,705,575.28

Finding the Fourth Proportional to 14,232,082.78, 19,640,191.08 and 7,705,575.28

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Solution

The fourth proportional to 14,232,082.78, 19,640,191.08 and 7,705,575.28 is: 10,633,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,232,082.78 : 19,640,191.08 = 7,705,575.28 : x
  2. Step 2: Convert to fraction form
    14,232,082.78/19,640,191.08 = 7,705,575.28/x
  3. Step 3: Cross multiply
    14,232,082.78x = 19,640,191.08 × 7,705,575.28
  4. Step 4: Simplify right side
    14,232,082.78x = 151,338,970,880,524.50
  5. Step 5: Solve for x
    x = 151,338,970,880,524.50/14,232,082.78
  6. Step 6: Final answer
    x = 10,633,648.86

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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.