Home / 15,762,228.36-21,751,381.62-9,240,201.65

Finding the Fourth Proportional to 15,762,228.36, 21,751,381.62 and 9,240,201.65

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Solution

The fourth proportional to 15,762,228.36, 21,751,381.62 and 9,240,201.65 is: 12,751,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762,228.36 : 21,751,381.62 = 9,240,201.65 : x
  2. Step 2: Convert to fraction form
    15,762,228.36/21,751,381.62 = 9,240,201.65/x
  3. Step 3: Cross multiply
    15,762,228.36x = 21,751,381.62 × 9,240,201.65
  4. Step 4: Simplify right side
    15,762,228.36x = 200,987,152,226,146.75
  5. Step 5: Solve for x
    x = 200,987,152,226,146.75/15,762,228.36
  6. Step 6: Final answer
    x = 12,751,188.96

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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.