Home / 14,985,324.90-20,679,748.17-8,109,806.96

Finding the Fourth Proportional to 14,985,324.90, 20,679,748.17 and 8,109,806.96

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Solution

The fourth proportional to 14,985,324.90, 20,679,748.17 and 8,109,806.96 is: 11,191,533.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,324.90 : 20,679,748.17 = 8,109,806.96 : x
  2. Step 2: Convert to fraction form
    14,985,324.90/20,679,748.17 = 8,109,806.96/x
  3. Step 3: Cross multiply
    14,985,324.90x = 20,679,748.17 × 8,109,806.96
  4. Step 4: Simplify right side
    14,985,324.90x = 167,708,765,661,400.88
  5. Step 5: Solve for x
    x = 167,708,765,661,400.88/14,985,324.90
  6. Step 6: Final answer
    x = 11,191,533.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.