Home / 13,611,959.16-20,455,432.02-7,226,990.52

Finding the Fourth Proportional to 13,611,959.16, 20,455,432.02 and 7,226,990.52

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Solution

The fourth proportional to 13,611,959.16, 20,455,432.02 and 7,226,990.52 is: 10,860,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,959.16 : 20,455,432.02 = 7,226,990.52 : x
  2. Step 2: Convert to fraction form
    13,611,959.16/20,455,432.02 = 7,226,990.52/x
  3. Step 3: Cross multiply
    13,611,959.16x = 20,455,432.02 × 7,226,990.52
  4. Step 4: Simplify right side
    13,611,959.16x = 147,831,213,291,044.44
  5. Step 5: Solve for x
    x = 147,831,213,291,044.44/13,611,959.16
  6. Step 6: Final answer
    x = 10,860,392.07

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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.