Home / 12,286,732.51-16,959,063.72-7,131,754.81

Finding the Fourth Proportional to 12,286,732.51, 16,959,063.72 and 7,131,754.81

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Solution

The fourth proportional to 12,286,732.51, 16,959,063.72 and 7,131,754.81 is: 9,843,779.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,732.51 : 16,959,063.72 = 7,131,754.81 : x
  2. Step 2: Convert to fraction form
    12,286,732.51/16,959,063.72 = 7,131,754.81/x
  3. Step 3: Cross multiply
    12,286,732.51x = 16,959,063.72 × 7,131,754.81
  4. Step 4: Simplify right side
    12,286,732.51x = 120,947,884,258,206.48
  5. Step 5: Solve for x
    x = 120,947,884,258,206.48/12,286,732.51
  6. Step 6: Final answer
    x = 9,843,779.39

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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.