Home / 30,276,021.34-41,835,562.22-21,559,060.34

Finding the Fourth Proportional to 30,276,021.34, 41,835,562.22 and 21,559,060.34

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Solution

The fourth proportional to 30,276,021.34, 41,835,562.22 and 21,559,060.34 is: 29,790,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276,021.34 : 41,835,562.22 = 21,559,060.34 : x
  2. Step 2: Convert to fraction form
    30,276,021.34/41,835,562.22 = 21,559,060.34/x
  3. Step 3: Cross multiply
    30,276,021.34x = 41,835,562.22 × 21,559,060.34
  4. Step 4: Simplify right side
    30,276,021.34x = 901,935,410,260,407.50
  5. Step 5: Solve for x
    x = 901,935,410,260,407.50/30,276,021.34
  6. Step 6: Final answer
    x = 29,790,420.61

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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.