Home / 20,214,815.40-30,326,159.70-5,838,352.20

Finding the Fourth Proportional to 20,214,815.40, 30,326,159.70 and 5,838,352.20

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Solution

The fourth proportional to 20,214,815.40, 30,326,159.70 and 5,838,352.20 is: 8,758,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214,815.40 : 30,326,159.70 = 5,838,352.20 : x
  2. Step 2: Convert to fraction form
    20,214,815.40/30,326,159.70 = 5,838,352.20/x
  3. Step 3: Cross multiply
    20,214,815.40x = 30,326,159.70 × 5,838,352.20
  4. Step 4: Simplify right side
    20,214,815.40x = 177,054,801,202,046.34
  5. Step 5: Solve for x
    x = 177,054,801,202,046.34/20,214,815.40
  6. Step 6: Final answer
    x = 8,758,665.25

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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.