Home / 14,490,560.44-19,997,180.40-7,964,793.28

Finding the Fourth Proportional to 14,490,560.44, 19,997,180.40 and 7,964,793.28

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Solution

The fourth proportional to 14,490,560.44, 19,997,180.40 and 7,964,793.28 is: 10,991,528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490,560.44 : 19,997,180.40 = 7,964,793.28 : x
  2. Step 2: Convert to fraction form
    14,490,560.44/19,997,180.40 = 7,964,793.28/x
  3. Step 3: Cross multiply
    14,490,560.44x = 19,997,180.40 × 7,964,793.28
  4. Step 4: Simplify right side
    14,490,560.44x = 159,273,408,068,867.72
  5. Step 5: Solve for x
    x = 159,273,408,068,867.72/14,490,560.44
  6. Step 6: Final answer
    x = 10,991,528.50

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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.