Home / 7,127,284.79-10,690,369.43-2,009,507.96

Finding the Fourth Proportional to 7,127,284.79, 10,690,369.43 and 2,009,507.96

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Solution

The fourth proportional to 7,127,284.79, 10,690,369.43 and 2,009,507.96 is: 3,014,104.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,284.79 : 10,690,369.43 = 2,009,507.96 : x
  2. Step 2: Convert to fraction form
    7,127,284.79/10,690,369.43 = 2,009,507.96/x
  3. Step 3: Cross multiply
    7,127,284.79x = 10,690,369.43 × 2,009,507.96
  4. Step 4: Simplify right side
    7,127,284.79x = 21,482,382,401,426.28
  5. Step 5: Solve for x
    x = 21,482,382,401,426.28/7,127,284.79
  6. Step 6: Final answer
    x = 3,014,104.68

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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.