Home / 28,977,252.08-39,986,674.80-15,924,230.60

Finding the Fourth Proportional to 28,977,252.08, 39,986,674.80 and 15,924,230.60

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Solution

The fourth proportional to 28,977,252.08, 39,986,674.80 and 15,924,230.60 is: 21,974,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,252.08 : 39,986,674.80 = 15,924,230.60 : x
  2. Step 2: Convert to fraction form
    28,977,252.08/39,986,674.80 = 15,924,230.60/x
  3. Step 3: Cross multiply
    28,977,252.08x = 39,986,674.80 × 15,924,230.60
  4. Step 4: Simplify right side
    28,977,252.08x = 636,757,030,442,408.88
  5. Step 5: Solve for x
    x = 636,757,030,442,408.88/28,977,252.08
  6. Step 6: Final answer
    x = 21,974,375.92

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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.