Home / 13,332,388.39-18,398,639.22-7,452,014.78

Finding the Fourth Proportional to 13,332,388.39, 18,398,639.22 and 7,452,014.78

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Solution

The fourth proportional to 13,332,388.39, 18,398,639.22 and 7,452,014.78 is: 10,283,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332,388.39 : 18,398,639.22 = 7,452,014.78 : x
  2. Step 2: Convert to fraction form
    13,332,388.39/18,398,639.22 = 7,452,014.78/x
  3. Step 3: Cross multiply
    13,332,388.39x = 18,398,639.22 × 7,452,014.78
  4. Step 4: Simplify right side
    13,332,388.39x = 137,106,931,399,327.67
  5. Step 5: Solve for x
    x = 137,106,931,399,327.67/13,332,388.39
  6. Step 6: Final answer
    x = 10,283,748.68

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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.