Home / 7,185,308.20-10,762,215.90-6,387,490.60

Finding the Fourth Proportional to 7,185,308.20, 10,762,215.90 and 6,387,490.60

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Solution

The fourth proportional to 7,185,308.20, 10,762,215.90 and 6,387,490.60 is: 9,567,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,308.20 : 10,762,215.90 = 6,387,490.60 : x
  2. Step 2: Convert to fraction form
    7,185,308.20/10,762,215.90 = 6,387,490.60/x
  3. Step 3: Cross multiply
    7,185,308.20x = 10,762,215.90 × 6,387,490.60
  4. Step 4: Simplify right side
    7,185,308.20x = 68,743,552,896,420.54
  5. Step 5: Solve for x
    x = 68,743,552,896,420.54/7,185,308.20
  6. Step 6: Final answer
    x = 9,567,237.89

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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.