Home / 21,933,765.36-30,269,542.08-12,144,209.76

Finding the Fourth Proportional to 21,933,765.36, 30,269,542.08 and 12,144,209.76

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Solution

The fourth proportional to 21,933,765.36, 30,269,542.08 and 12,144,209.76 is: 16,759,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933,765.36 : 30,269,542.08 = 12,144,209.76 : x
  2. Step 2: Convert to fraction form
    21,933,765.36/30,269,542.08 = 12,144,209.76/x
  3. Step 3: Cross multiply
    21,933,765.36x = 30,269,542.08 × 12,144,209.76
  4. Step 4: Simplify right side
    21,933,765.36x = 367,599,668,358,666.69
  5. Step 5: Solve for x
    x = 367,599,668,358,666.69/21,933,765.36
  6. Step 6: Final answer
    x = 16,759,533.18

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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.