Home / 8,150,431.20-12,225,646.80-3,898,903.20

Finding the Fourth Proportional to 8,150,431.20, 12,225,646.80 and 3,898,903.20

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Solution

The fourth proportional to 8,150,431.20, 12,225,646.80 and 3,898,903.20 is: 5,848,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150,431.20 : 12,225,646.80 = 3,898,903.20 : x
  2. Step 2: Convert to fraction form
    8,150,431.20/12,225,646.80 = 3,898,903.20/x
  3. Step 3: Cross multiply
    8,150,431.20x = 12,225,646.80 × 3,898,903.20
  4. Step 4: Simplify right side
    8,150,431.20x = 47,666,613,430,589.77
  5. Step 5: Solve for x
    x = 47,666,613,430,589.77/8,150,431.20
  6. Step 6: Final answer
    x = 5,848,354.80

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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.