Home / 14,985,354.37-20,679,788.78-8,109,836.43

Finding the Fourth Proportional to 14,985,354.37, 20,679,788.78 and 8,109,836.43

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Solution

The fourth proportional to 14,985,354.37, 20,679,788.78 and 8,109,836.43 is: 11,191,574.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,354.37 : 20,679,788.78 = 8,109,836.43 : x
  2. Step 2: Convert to fraction form
    14,985,354.37/20,679,788.78 = 8,109,836.43/x
  3. Step 3: Cross multiply
    14,985,354.37x = 20,679,788.78 × 8,109,836.43
  4. Step 4: Simplify right side
    14,985,354.37x = 167,709,704,412,749.25
  5. Step 5: Solve for x
    x = 167,709,704,412,749.25/14,985,354.37
  6. Step 6: Final answer
    x = 11,191,574.14

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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.