Home / 28,374,365.35-42,567,526.74-9,203,627.80

Finding the Fourth Proportional to 28,374,365.35, 42,567,526.74 and 9,203,627.80

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Solution

The fourth proportional to 28,374,365.35, 42,567,526.74 and 9,203,627.80 is: 13,807,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374,365.35 : 42,567,526.74 = 9,203,627.80 : x
  2. Step 2: Convert to fraction form
    28,374,365.35/42,567,526.74 = 9,203,627.80/x
  3. Step 3: Cross multiply
    28,374,365.35x = 42,567,526.74 × 9,203,627.80
  4. Step 4: Simplify right side
    28,374,365.35x = 391,775,672,481,507.44
  5. Step 5: Solve for x
    x = 391,775,672,481,507.44/28,374,365.35
  6. Step 6: Final answer
    x = 13,807,380.98

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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.