Home / 20,134,417.46-30,180,890.19-8,772,748.34

Finding the Fourth Proportional to 20,134,417.46, 30,180,890.19 and 8,772,748.34

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Solution

The fourth proportional to 20,134,417.46, 30,180,890.19 and 8,772,748.34 is: 13,150,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134,417.46 : 30,180,890.19 = 8,772,748.34 : x
  2. Step 2: Convert to fraction form
    20,134,417.46/30,180,890.19 = 8,772,748.34/x
  3. Step 3: Cross multiply
    20,134,417.46x = 30,180,890.19 × 8,772,748.34
  4. Step 4: Simplify right side
    20,134,417.46x = 264,769,354,314,044.78
  5. Step 5: Solve for x
    x = 264,769,354,314,044.78/20,134,417.46
  6. Step 6: Final answer
    x = 13,150,087.65

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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.