Home / 21,892,628.52-30,206,814.66-13,070,362.77

Finding the Fourth Proportional to 21,892,628.52, 30,206,814.66 and 13,070,362.77

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Solution

The fourth proportional to 21,892,628.52, 30,206,814.66 and 13,070,362.77 is: 18,034,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,892,628.52 : 30,206,814.66 = 13,070,362.77 : x
  2. Step 2: Convert to fraction form
    21,892,628.52/30,206,814.66 = 13,070,362.77/x
  3. Step 3: Cross multiply
    21,892,628.52x = 30,206,814.66 × 13,070,362.77
  4. Step 4: Simplify right side
    21,892,628.52x = 394,814,025,732,354.19
  5. Step 5: Solve for x
    x = 394,814,025,732,354.19/21,892,628.52
  6. Step 6: Final answer
    x = 18,034,107.94

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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.