Home / 21,187,340.10-31,781,378.90-5,834,550.89

Finding the Fourth Proportional to 21,187,340.10, 31,781,378.90 and 5,834,550.89

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Solution

The fourth proportional to 21,187,340.10, 31,781,378.90 and 5,834,550.89 is: 8,751,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,187,340.10 : 31,781,378.90 = 5,834,550.89 : x
  2. Step 2: Convert to fraction form
    21,187,340.10/31,781,378.90 = 5,834,550.89/x
  3. Step 3: Cross multiply
    21,187,340.10x = 31,781,378.90 × 5,834,550.89
  4. Step 4: Simplify right side
    21,187,340.10x = 185,430,072,640,462.06
  5. Step 5: Solve for x
    x = 185,430,072,640,462.06/21,187,340.10
  6. Step 6: Final answer
    x = 8,751,927.89

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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.