Home / 20,750,828.52-31,124,104.05-6,916,292.45

Finding the Fourth Proportional to 20,750,828.52, 31,124,104.05 and 6,916,292.45

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Solution

The fourth proportional to 20,750,828.52, 31,124,104.05 and 6,916,292.45 is: 10,373,725.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,750,828.52 : 31,124,104.05 = 6,916,292.45 : x
  2. Step 2: Convert to fraction form
    20,750,828.52/31,124,104.05 = 6,916,292.45/x
  3. Step 3: Cross multiply
    20,750,828.52x = 31,124,104.05 × 6,916,292.45
  4. Step 4: Simplify right side
    20,750,828.52x = 215,263,405,698,408.91
  5. Step 5: Solve for x
    x = 215,263,405,698,408.91/20,750,828.52
  6. Step 6: Final answer
    x = 10,373,725.82

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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.