Home / 12,712,173.21-17,542,998.63-6,910,977.11

Finding the Fourth Proportional to 12,712,173.21, 17,542,998.63 and 6,910,977.11

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Solution

The fourth proportional to 12,712,173.21, 17,542,998.63 and 6,910,977.11 is: 9,537,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712,173.21 : 17,542,998.63 = 6,910,977.11 : x
  2. Step 2: Convert to fraction form
    12,712,173.21/17,542,998.63 = 6,910,977.11/x
  3. Step 3: Cross multiply
    12,712,173.21x = 17,542,998.63 × 6,910,977.11
  4. Step 4: Simplify right side
    12,712,173.21x = 121,239,261,884,976.36
  5. Step 5: Solve for x
    x = 121,239,261,884,976.36/12,712,173.21
  6. Step 6: Final answer
    x = 9,537,256.92

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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.