Home / 34,098,941.70-51,180,749.28-21,105,789.21

Finding the Fourth Proportional to 34,098,941.70, 51,180,749.28 and 21,105,789.21

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Solution

The fourth proportional to 34,098,941.70, 51,180,749.28 and 21,105,789.21 is: 31,678,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,098,941.70 : 51,180,749.28 = 21,105,789.21 : x
  2. Step 2: Convert to fraction form
    34,098,941.70/51,180,749.28 = 21,105,789.21/x
  3. Step 3: Cross multiply
    34,098,941.70x = 51,180,749.28 × 21,105,789.21
  4. Step 4: Simplify right side
    34,098,941.70x = 1,080,210,105,913,539.38
  5. Step 5: Solve for x
    x = 1,080,210,105,913,539.38/34,098,941.70
  6. Step 6: Final answer
    x = 31,678,698.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.