Home / 15,894,109.40-21,933,913.74-9,018,573.44

Finding the Fourth Proportional to 15,894,109.40, 21,933,913.74 and 9,018,573.44

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Solution

The fourth proportional to 15,894,109.40, 21,933,913.74 and 9,018,573.44 is: 12,445,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,894,109.40 : 21,933,913.74 = 9,018,573.44 : x
  2. Step 2: Convert to fraction form
    15,894,109.40/21,933,913.74 = 9,018,573.44/x
  3. Step 3: Cross multiply
    15,894,109.40x = 21,933,913.74 × 9,018,573.44
  4. Step 4: Simplify right side
    15,894,109.40x = 197,812,611,890,815.03
  5. Step 5: Solve for x
    x = 197,812,611,890,815.03/15,894,109.40
  6. Step 6: Final answer
    x = 12,445,655.61

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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.