Home / 21,654,919.60-32,486,476.10-8,702,078.58

Finding the Fourth Proportional to 21,654,919.60, 32,486,476.10 and 8,702,078.58

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Solution

The fourth proportional to 21,654,919.60, 32,486,476.10 and 8,702,078.58 is: 13,054,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654,919.60 : 32,486,476.10 = 8,702,078.58 : x
  2. Step 2: Convert to fraction form
    21,654,919.60/32,486,476.10 = 8,702,078.58/x
  3. Step 3: Cross multiply
    21,654,919.60x = 32,486,476.10 × 8,702,078.58
  4. Step 4: Simplify right side
    21,654,919.60x = 282,699,867,809,491.94
  5. Step 5: Solve for x
    x = 282,699,867,809,491.94/21,654,919.60
  6. Step 6: Final answer
    x = 13,054,764.14

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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.