Home / 15,972,917.76-22,047,148.08-9,448,815.24

Finding the Fourth Proportional to 15,972,917.76, 22,047,148.08 and 9,448,815.24

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Solution

The fourth proportional to 15,972,917.76, 22,047,148.08 and 9,448,815.24 is: 13,042,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972,917.76 : 22,047,148.08 = 9,448,815.24 : x
  2. Step 2: Convert to fraction form
    15,972,917.76/22,047,148.08 = 9,448,815.24/x
  3. Step 3: Cross multiply
    15,972,917.76x = 22,047,148.08 × 9,448,815.24
  4. Step 4: Simplify right side
    15,972,917.76x = 208,319,428,776,840.72
  5. Step 5: Solve for x
    x = 208,319,428,776,840.72/15,972,917.76
  6. Step 6: Final answer
    x = 13,042,039.78

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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.