Home / 30,269,474.16-41,700,899.16-21,085,499.76

Finding the Fourth Proportional to 30,269,474.16, 41,700,899.16 and 21,085,499.76

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Solution

The fourth proportional to 30,269,474.16, 41,700,899.16 and 21,085,499.76 is: 29,048,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269,474.16 : 41,700,899.16 = 21,085,499.76 : x
  2. Step 2: Convert to fraction form
    30,269,474.16/41,700,899.16 = 21,085,499.76/x
  3. Step 3: Cross multiply
    30,269,474.16x = 41,700,899.16 × 21,085,499.76
  4. Step 4: Simplify right side
    30,269,474.16x = 879,284,299,229,964.25
  5. Step 5: Solve for x
    x = 879,284,299,229,964.25/30,269,474.16
  6. Step 6: Final answer
    x = 29,048,548.86

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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.