Home / 7,640,365.80-10,543,497.99-4,333,266.57

Finding the Fourth Proportional to 7,640,365.80, 10,543,497.99 and 4,333,266.57

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Solution

The fourth proportional to 7,640,365.80, 10,543,497.99 and 4,333,266.57 is: 5,979,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640,365.80 : 10,543,497.99 = 4,333,266.57 : x
  2. Step 2: Convert to fraction form
    7,640,365.80/10,543,497.99 = 4,333,266.57/x
  3. Step 3: Cross multiply
    7,640,365.80x = 10,543,497.99 × 4,333,266.57
  4. Step 4: Simplify right side
    7,640,365.80x = 45,687,787,370,929.20
  5. Step 5: Solve for x
    x = 45,687,787,370,929.20/7,640,365.80
  6. Step 6: Final answer
    x = 5,979,790.57

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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.