Home / 30,522,635.70-42,121,227.59-16,772,485.56

Finding the Fourth Proportional to 30,522,635.70, 42,121,227.59 and 16,772,485.56

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Solution

The fourth proportional to 30,522,635.70, 42,121,227.59 and 16,772,485.56 is: 23,146,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522,635.70 : 42,121,227.59 = 16,772,485.56 : x
  2. Step 2: Convert to fraction form
    30,522,635.70/42,121,227.59 = 16,772,485.56/x
  3. Step 3: Cross multiply
    30,522,635.70x = 42,121,227.59 × 16,772,485.56
  4. Step 4: Simplify right side
    30,522,635.70x = 706,477,681,438,156.88
  5. Step 5: Solve for x
    x = 706,477,681,438,156.88/30,522,635.70
  6. Step 6: Final answer
    x = 23,146,024.76

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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.