Home / 21,011,092.20-31,516,638.30-16,759,564.20

Finding the Fourth Proportional to 21,011,092.20, 31,516,638.30 and 16,759,564.20

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Solution

The fourth proportional to 21,011,092.20, 31,516,638.30 and 16,759,564.20 is: 25,139,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,092.20 : 31,516,638.30 = 16,759,564.20 : x
  2. Step 2: Convert to fraction form
    21,011,092.20/31,516,638.30 = 16,759,564.20/x
  3. Step 3: Cross multiply
    21,011,092.20x = 31,516,638.30 × 16,759,564.20
  4. Step 4: Simplify right side
    21,011,092.20x = 528,205,122,957,028.88
  5. Step 5: Solve for x
    x = 528,205,122,957,028.88/21,011,092.20
  6. Step 6: Final answer
    x = 25,139,346.30

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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.