Home / 10,657,378.20-15,988,400.10-3,467,688.60

Finding the Fourth Proportional to 10,657,378.20, 15,988,400.10 and 3,467,688.60

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Solution

The fourth proportional to 10,657,378.20, 15,988,400.10 and 3,467,688.60 is: 5,202,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,378.20 : 15,988,400.10 = 3,467,688.60 : x
  2. Step 2: Convert to fraction form
    10,657,378.20/15,988,400.10 = 3,467,688.60/x
  3. Step 3: Cross multiply
    10,657,378.20x = 15,988,400.10 × 3,467,688.60
  4. Step 4: Simplify right side
    10,657,378.20x = 55,442,792,759,008.86
  5. Step 5: Solve for x
    x = 55,442,792,759,008.86/10,657,378.20
  6. Step 6: Final answer
    x = 5,202,291.94

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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.