Home / 14,235,057.72-19,644,390.12-7,708,694.28

Finding the Fourth Proportional to 14,235,057.72, 19,644,390.12 and 7,708,694.28

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Solution

The fourth proportional to 14,235,057.72, 19,644,390.12 and 7,708,694.28 is: 10,638,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235,057.72 : 19,644,390.12 = 7,708,694.28 : x
  2. Step 2: Convert to fraction form
    14,235,057.72/19,644,390.12 = 7,708,694.28/x
  3. Step 3: Cross multiply
    14,235,057.72x = 19,644,390.12 × 7,708,694.28
  4. Step 4: Simplify right side
    14,235,057.72x = 151,432,597,752,132.53
  5. Step 5: Solve for x
    x = 151,432,597,752,132.53/14,235,057.72
  6. Step 6: Final answer
    x = 10,638,003.77

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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.