Home / 11,571,004.65-15,969,614.16-7,162,145.43

Finding the Fourth Proportional to 11,571,004.65, 15,969,614.16 and 7,162,145.43

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Solution

The fourth proportional to 11,571,004.65, 15,969,614.16 and 7,162,145.43 is: 9,884,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571,004.65 : 15,969,614.16 = 7,162,145.43 : x
  2. Step 2: Convert to fraction form
    11,571,004.65/15,969,614.16 = 7,162,145.43/x
  3. Step 3: Cross multiply
    11,571,004.65x = 15,969,614.16 × 7,162,145.43
  4. Step 4: Simplify right side
    11,571,004.65x = 114,376,698,959,248.48
  5. Step 5: Solve for x
    x = 114,376,698,959,248.48/11,571,004.65
  6. Step 6: Final answer
    x = 9,884,768.21

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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.