Home / 15,865,930.08-21,894,366.96-8,622,430.56

Finding the Fourth Proportional to 15,865,930.08, 21,894,366.96 and 8,622,430.56

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Solution

The fourth proportional to 15,865,930.08, 21,894,366.96 and 8,622,430.56 is: 11,898,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865,930.08 : 21,894,366.96 = 8,622,430.56 : x
  2. Step 2: Convert to fraction form
    15,865,930.08/21,894,366.96 = 8,622,430.56/x
  3. Step 3: Cross multiply
    15,865,930.08x = 21,894,366.96 × 8,622,430.56
  4. Step 4: Simplify right side
    15,865,930.08x = 188,782,658,767,758.31
  5. Step 5: Solve for x
    x = 188,782,658,767,758.31/15,865,930.08
  6. Step 6: Final answer
    x = 11,898,619.10

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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.