Home / 15,649,600.72-21,571,495.20-12,336,492.52

Finding the Fourth Proportional to 15,649,600.72, 21,571,495.20 and 12,336,492.52

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Solution

The fourth proportional to 15,649,600.72, 21,571,495.20 and 12,336,492.52 is: 17,004,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,649,600.72 : 21,571,495.20 = 12,336,492.52 : x
  2. Step 2: Convert to fraction form
    15,649,600.72/21,571,495.20 = 12,336,492.52/x
  3. Step 3: Cross multiply
    15,649,600.72x = 21,571,495.20 × 12,336,492.52
  4. Step 4: Simplify right side
    15,649,600.72x = 266,116,589,180,015.88
  5. Step 5: Solve for x
    x = 266,116,589,180,015.88/15,649,600.72
  6. Step 6: Final answer
    x = 17,004,688.74

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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.