Home / 14,508,889.70-21,780,096.15-7,790,425.70

Finding the Fourth Proportional to 14,508,889.70, 21,780,096.15 and 7,790,425.70

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Solution

The fourth proportional to 14,508,889.70, 21,780,096.15 and 7,790,425.70 is: 11,694,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,889.70 : 21,780,096.15 = 7,790,425.70 : x
  2. Step 2: Convert to fraction form
    14,508,889.70/21,780,096.15 = 7,790,425.70/x
  3. Step 3: Cross multiply
    14,508,889.70x = 21,780,096.15 × 7,790,425.70
  4. Step 4: Simplify right side
    14,508,889.70x = 169,676,220,795,431.06
  5. Step 5: Solve for x
    x = 169,676,220,795,431.06/14,508,889.70
  6. Step 6: Final answer
    x = 11,694,638.55

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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.