Home / 12,907,190.15-17,811,246.29-7,104,838.58

Finding the Fourth Proportional to 12,907,190.15, 17,811,246.29 and 7,104,838.58

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Solution

The fourth proportional to 12,907,190.15, 17,811,246.29 and 7,104,838.58 is: 9,804,305.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907,190.15 : 17,811,246.29 = 7,104,838.58 : x
  2. Step 2: Convert to fraction form
    12,907,190.15/17,811,246.29 = 7,104,838.58/x
  3. Step 3: Cross multiply
    12,907,190.15x = 17,811,246.29 × 7,104,838.58
  4. Step 4: Simplify right side
    12,907,190.15x = 126,546,029,799,073.86
  5. Step 5: Solve for x
    x = 126,546,029,799,073.86/12,907,190.15
  6. Step 6: Final answer
    x = 9,804,305.07

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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.