Home / 7,775,106-10,731,780.33-4,512,971.70

Finding the Fourth Proportional to 7,775,106, 10,731,780.33 and 4,512,971.70

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Solution

The fourth proportional to 7,775,106, 10,731,780.33 and 4,512,971.70 is: 6,229,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775,106 : 10,731,780.33 = 4,512,971.70 : x
  2. Step 2: Convert to fraction form
    7,775,106/10,731,780.33 = 4,512,971.70/x
  3. Step 3: Cross multiply
    7,775,106x = 10,731,780.33 × 4,512,971.70
  4. Step 4: Simplify right side
    7,775,106x = 48,432,220,919,906.66
  5. Step 5: Solve for x
    x = 48,432,220,919,906.66/7,775,106
  6. Step 6: Final answer
    x = 6,229,139.63

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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.