Home / 25,305,383.40-34,921,366.11-13,702,946.28

Finding the Fourth Proportional to 25,305,383.40, 34,921,366.11 and 13,702,946.28

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Solution

The fourth proportional to 25,305,383.40, 34,921,366.11 and 13,702,946.28 is: 18,910,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305,383.40 : 34,921,366.11 = 13,702,946.28 : x
  2. Step 2: Convert to fraction form
    25,305,383.40/34,921,366.11 = 13,702,946.28/x
  3. Step 3: Cross multiply
    25,305,383.40x = 34,921,366.11 × 13,702,946.28
  4. Step 4: Simplify right side
    25,305,383.40x = 478,525,603,829,542.56
  5. Step 5: Solve for x
    x = 478,525,603,829,542.56/25,305,383.40
  6. Step 6: Final answer
    x = 18,910,031.76

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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.