Home / 28,430,357.12-39,230,575.25-16,040,646.73

Finding the Fourth Proportional to 28,430,357.12, 39,230,575.25 and 16,040,646.73

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Solution

The fourth proportional to 28,430,357.12, 39,230,575.25 and 16,040,646.73 is: 22,134,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,357.12 : 39,230,575.25 = 16,040,646.73 : x
  2. Step 2: Convert to fraction form
    28,430,357.12/39,230,575.25 = 16,040,646.73/x
  3. Step 3: Cross multiply
    28,430,357.12x = 39,230,575.25 × 16,040,646.73
  4. Step 4: Simplify right side
    28,430,357.12x = 629,283,798,599,931.50
  5. Step 5: Solve for x
    x = 629,283,798,599,931.50/28,430,357.12
  6. Step 6: Final answer
    x = 22,134,220.68

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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.