Home / 8,500,128.51-11,729,877.26-4,632,572.91

Finding the Fourth Proportional to 8,500,128.51, 11,729,877.26 and 4,632,572.91

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Solution

The fourth proportional to 8,500,128.51, 11,729,877.26 and 4,632,572.91 is: 6,392,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,128.51 : 11,729,877.26 = 4,632,572.91 : x
  2. Step 2: Convert to fraction form
    8,500,128.51/11,729,877.26 = 4,632,572.91/x
  3. Step 3: Cross multiply
    8,500,128.51x = 11,729,877.26 × 4,632,572.91
  4. Step 4: Simplify right side
    8,500,128.51x = 54,339,511,609,138.16
  5. Step 5: Solve for x
    x = 54,339,511,609,138.16/8,500,128.51
  6. Step 6: Final answer
    x = 6,392,787.07

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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.