Home / 15,028,890.96-20,739,909.72-8,153,373.03

Finding the Fourth Proportional to 15,028,890.96, 20,739,909.72 and 8,153,373.03

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Solution

The fourth proportional to 15,028,890.96, 20,739,909.72 and 8,153,373.03 is: 11,251,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,890.96 : 20,739,909.72 = 8,153,373.03 : x
  2. Step 2: Convert to fraction form
    15,028,890.96/20,739,909.72 = 8,153,373.03/x
  3. Step 3: Cross multiply
    15,028,890.96x = 20,739,909.72 × 8,153,373.03
  4. Step 4: Simplify right side
    15,028,890.96x = 169,100,220,508,483.34
  5. Step 5: Solve for x
    x = 169,100,220,508,483.34/15,028,890.96
  6. Step 6: Final answer
    x = 11,251,676.58

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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.