Home / 15,106,729.15-22,666,790.81-7,916,553.55

Finding the Fourth Proportional to 15,106,729.15, 22,666,790.81 and 7,916,553.55

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Solution

The fourth proportional to 15,106,729.15, 22,666,790.81 and 7,916,553.55 is: 11,878,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,729.15 : 22,666,790.81 = 7,916,553.55 : x
  2. Step 2: Convert to fraction form
    15,106,729.15/22,666,790.81 = 7,916,553.55/x
  3. Step 3: Cross multiply
    15,106,729.15x = 22,666,790.81 × 7,916,553.55
  4. Step 4: Simplify right side
    15,106,729.15x = 179,442,863,254,012.88
  5. Step 5: Solve for x
    x = 179,442,863,254,012.88/15,106,729.15
  6. Step 6: Final answer
    x = 11,878,339.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.