Home / 15,487,512.61-21,371,889.54-8,611,847.05

Finding the Fourth Proportional to 15,487,512.61, 21,371,889.54 and 8,611,847.05

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Solution

The fourth proportional to 15,487,512.61, 21,371,889.54 and 8,611,847.05 is: 11,883,860.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,512.61 : 21,371,889.54 = 8,611,847.05 : x
  2. Step 2: Convert to fraction form
    15,487,512.61/21,371,889.54 = 8,611,847.05/x
  3. Step 3: Cross multiply
    15,487,512.61x = 21,371,889.54 × 8,611,847.05
  4. Step 4: Simplify right side
    15,487,512.61x = 184,051,443,887,974.88
  5. Step 5: Solve for x
    x = 184,051,443,887,974.88/15,487,512.61
  6. Step 6: Final answer
    x = 11,883,860.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.