Home / 7,255,640.61-10,012,483.37-3,947,948.49

Finding the Fourth Proportional to 7,255,640.61, 10,012,483.37 and 3,947,948.49

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Solution

The fourth proportional to 7,255,640.61, 10,012,483.37 and 3,947,948.49 is: 5,448,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,640.61 : 10,012,483.37 = 3,947,948.49 : x
  2. Step 2: Convert to fraction form
    7,255,640.61/10,012,483.37 = 3,947,948.49/x
  3. Step 3: Cross multiply
    7,255,640.61x = 10,012,483.37 × 3,947,948.49
  4. Step 4: Simplify right side
    7,255,640.61x = 39,528,768,649,158.30
  5. Step 5: Solve for x
    x = 39,528,768,649,158.30/7,255,640.61
  6. Step 6: Final answer
    x = 5,448,005.32

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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.