Home / 7,127,317.68-10,690,418.70-2,009,540.85

Finding the Fourth Proportional to 7,127,317.68, 10,690,418.70 and 2,009,540.85

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Solution

The fourth proportional to 7,127,317.68, 10,690,418.70 and 2,009,540.85 is: 3,014,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,317.68 : 10,690,418.70 = 2,009,540.85 : x
  2. Step 2: Convert to fraction form
    7,127,317.68/10,690,418.70 = 2,009,540.85/x
  3. Step 3: Cross multiply
    7,127,317.68x = 10,690,418.70 × 2,009,540.85
  4. Step 4: Simplify right side
    7,127,317.68x = 21,482,833,081,253.89
  5. Step 5: Solve for x
    x = 21,482,833,081,253.89/7,127,317.68
  6. Step 6: Final answer
    x = 3,014,154.00

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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.