Home / 20,744,424.60-31,116,636.90-8,775,605.40

Finding the Fourth Proportional to 20,744,424.60, 31,116,636.90 and 8,775,605.40

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Solution

The fourth proportional to 20,744,424.60, 31,116,636.90 and 8,775,605.40 is: 13,163,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744,424.60 : 31,116,636.90 = 8,775,605.40 : x
  2. Step 2: Convert to fraction form
    20,744,424.60/31,116,636.90 = 8,775,605.40/x
  3. Step 3: Cross multiply
    20,744,424.60x = 31,116,636.90 × 8,775,605.40
  4. Step 4: Simplify right side
    20,744,424.60x = 273,067,326,809,479.25
  5. Step 5: Solve for x
    x = 273,067,326,809,479.25/20,744,424.60
  6. Step 6: Final answer
    x = 13,163,408.10

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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.