Home / 20,829,917.07-31,229,741.97-8,702,848.68

Finding the Fourth Proportional to 20,829,917.07, 31,229,741.97 and 8,702,848.68

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Solution

The fourth proportional to 20,829,917.07, 31,229,741.97 and 8,702,848.68 is: 13,047,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,829,917.07 : 31,229,741.97 = 8,702,848.68 : x
  2. Step 2: Convert to fraction form
    20,829,917.07/31,229,741.97 = 8,702,848.68/x
  3. Step 3: Cross multiply
    20,829,917.07x = 31,229,741.97 × 8,702,848.68
  4. Step 4: Simplify right side
    20,829,917.07x = 271,787,718,563,243.53
  5. Step 5: Solve for x
    x = 271,787,718,563,243.53/20,829,917.07
  6. Step 6: Final answer
    x = 13,047,950.10

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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.