Home / 18,028,741.20-24,879,749.49-9,768,801.30

Finding the Fourth Proportional to 18,028,741.20, 24,879,749.49 and 9,768,801.30

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Solution

The fourth proportional to 18,028,741.20, 24,879,749.49 and 9,768,801.30 is: 13,480,992.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028,741.20 : 24,879,749.49 = 9,768,801.30 : x
  2. Step 2: Convert to fraction form
    18,028,741.20/24,879,749.49 = 9,768,801.30/x
  3. Step 3: Cross multiply
    18,028,741.20x = 24,879,749.49 × 9,768,801.30
  4. Step 4: Simplify right side
    18,028,741.20x = 243,045,329,161,586.34
  5. Step 5: Solve for x
    x = 243,045,329,161,586.34/18,028,741.20
  6. Step 6: Final answer
    x = 13,480,992.74

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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.