Home / 14,235,649.72-19,645,093.92-7,709,127.78

Finding the Fourth Proportional to 14,235,649.72, 19,645,093.92 and 7,709,127.78

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Solution

The fourth proportional to 14,235,649.72, 19,645,093.92 and 7,709,127.78 is: 10,638,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235,649.72 : 19,645,093.92 = 7,709,127.78 : x
  2. Step 2: Convert to fraction form
    14,235,649.72/19,645,093.92 = 7,709,127.78/x
  3. Step 3: Cross multiply
    14,235,649.72x = 19,645,093.92 × 7,709,127.78
  4. Step 4: Simplify right side
    14,235,649.72x = 151,446,539,279,381.12
  5. Step 5: Solve for x
    x = 151,446,539,279,381.12/14,235,649.72
  6. Step 6: Final answer
    x = 10,638,540.72

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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.