Home / 7,139,917-9,852,094.02-4,199,867.56

Finding the Fourth Proportional to 7,139,917, 9,852,094.02 and 4,199,867.56

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Solution

The fourth proportional to 7,139,917, 9,852,094.02 and 4,199,867.56 is: 5,795,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,917 : 9,852,094.02 = 4,199,867.56 : x
  2. Step 2: Convert to fraction form
    7,139,917/9,852,094.02 = 4,199,867.56/x
  3. Step 3: Cross multiply
    7,139,917x = 9,852,094.02 × 4,199,867.56
  4. Step 4: Simplify right side
    7,139,917x = 41,377,490,072,667.98
  5. Step 5: Solve for x
    x = 41,377,490,072,667.98/7,139,917
  6. Step 6: Final answer
    x = 5,795,234.04

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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.