Home / 30,269,472.16-41,700,896.40-21,085,497.76

Finding the Fourth Proportional to 30,269,472.16, 41,700,896.40 and 21,085,497.76

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Solution

The fourth proportional to 30,269,472.16, 41,700,896.40 and 21,085,497.76 is: 29,048,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269,472.16 : 41,700,896.40 = 21,085,497.76 : x
  2. Step 2: Convert to fraction form
    30,269,472.16/41,700,896.40 = 21,085,497.76/x
  3. Step 3: Cross multiply
    30,269,472.16x = 41,700,896.40 × 21,085,497.76
  4. Step 4: Simplify right side
    30,269,472.16x = 879,284,157,632,192.12
  5. Step 5: Solve for x
    x = 879,284,157,632,192.12/30,269,472.16
  6. Step 6: Final answer
    x = 29,048,546.11

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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.