Home / 7,643,913.42-11,465,870.10-2,786,584.18

Finding the Fourth Proportional to 7,643,913.42, 11,465,870.10 and 2,786,584.18

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Solution

The fourth proportional to 7,643,913.42, 11,465,870.10 and 2,786,584.18 is: 4,179,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,913.42 : 11,465,870.10 = 2,786,584.18 : x
  2. Step 2: Convert to fraction form
    7,643,913.42/11,465,870.10 = 2,786,584.18/x
  3. Step 3: Cross multiply
    7,643,913.42x = 11,465,870.10 × 2,786,584.18
  4. Step 4: Simplify right side
    7,643,913.42x = 31,950,612,230,595.02
  5. Step 5: Solve for x
    x = 31,950,612,230,595.02/7,643,913.42
  6. Step 6: Final answer
    x = 4,179,876.26

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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.