Home / 15,237,084.72-21,027,783.42-8,361,812.82

Finding the Fourth Proportional to 15,237,084.72, 21,027,783.42 and 8,361,812.82

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Solution

The fourth proportional to 15,237,084.72, 21,027,783.42 and 8,361,812.82 is: 11,539,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237,084.72 : 21,027,783.42 = 8,361,812.82 : x
  2. Step 2: Convert to fraction form
    15,237,084.72/21,027,783.42 = 8,361,812.82/x
  3. Step 3: Cross multiply
    15,237,084.72x = 21,027,783.42 × 8,361,812.82
  4. Step 4: Simplify right side
    15,237,084.72x = 175,830,388,977,539.47
  5. Step 5: Solve for x
    x = 175,830,388,977,539.47/15,237,084.72
  6. Step 6: Final answer
    x = 11,539,634.53

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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.