Home / 15,106,728.15-22,666,789.31-7,916,552.55

Finding the Fourth Proportional to 15,106,728.15, 22,666,789.31 and 7,916,552.55

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Solution

The fourth proportional to 15,106,728.15, 22,666,789.31 and 7,916,552.55 is: 11,878,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,728.15 : 22,666,789.31 = 7,916,552.55 : x
  2. Step 2: Convert to fraction form
    15,106,728.15/22,666,789.31 = 7,916,552.55/x
  3. Step 3: Cross multiply
    15,106,728.15x = 22,666,789.31 × 7,916,552.55
  4. Step 4: Simplify right side
    15,106,728.15x = 179,442,828,672,810.47
  5. Step 5: Solve for x
    x = 179,442,828,672,810.47/15,106,728.15
  6. Step 6: Final answer
    x = 11,878,338.37

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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.