Home / 18,699,261.60-28,048,892.40-5,920,766.40

Finding the Fourth Proportional to 18,699,261.60, 28,048,892.40 and 5,920,766.40

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Solution

The fourth proportional to 18,699,261.60, 28,048,892.40 and 5,920,766.40 is: 8,881,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699,261.60 : 28,048,892.40 = 5,920,766.40 : x
  2. Step 2: Convert to fraction form
    18,699,261.60/28,048,892.40 = 5,920,766.40/x
  3. Step 3: Cross multiply
    18,699,261.60x = 28,048,892.40 × 5,920,766.40
  4. Step 4: Simplify right side
    18,699,261.60x = 166,070,939,679,135.38
  5. Step 5: Solve for x
    x = 166,070,939,679,135.38/18,699,261.60
  6. Step 6: Final answer
    x = 8,881,149.60

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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.