Home / 13,611,959.66-20,455,432.77-7,226,991.02

Finding the Fourth Proportional to 13,611,959.66, 20,455,432.77 and 7,226,991.02

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Solution

The fourth proportional to 13,611,959.66, 20,455,432.77 and 7,226,991.02 is: 10,860,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,959.66 : 20,455,432.77 = 7,226,991.02 : x
  2. Step 2: Convert to fraction form
    13,611,959.66/20,455,432.77 = 7,226,991.02/x
  3. Step 3: Cross multiply
    13,611,959.66x = 20,455,432.77 × 7,226,991.02
  4. Step 4: Simplify right side
    13,611,959.66x = 147,831,228,939,003.72
  5. Step 5: Solve for x
    x = 147,831,228,939,003.72/13,611,959.66
  6. Step 6: Final answer
    x = 10,860,392.82

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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.