Home / 34,157,622.99-47,158,021.54-21,122,359.41

Finding the Fourth Proportional to 34,157,622.99, 47,158,021.54 and 21,122,359.41

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Solution

The fourth proportional to 34,157,622.99, 47,158,021.54 and 21,122,359.41 is: 29,161,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,157,622.99 : 47,158,021.54 = 21,122,359.41 : x
  2. Step 2: Convert to fraction form
    34,157,622.99/47,158,021.54 = 21,122,359.41/x
  3. Step 3: Cross multiply
    34,157,622.99x = 47,158,021.54 × 21,122,359.41
  4. Step 4: Simplify right side
    34,157,622.99x = 996,088,680,032,401.62
  5. Step 5: Solve for x
    x = 996,088,680,032,401.62/34,157,622.99
  6. Step 6: Final answer
    x = 29,161,533.88

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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.