Home / 19,087,003.80-28,630,505.70-9,985,584.60

Finding the Fourth Proportional to 19,087,003.80, 28,630,505.70 and 9,985,584.60

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Solution

The fourth proportional to 19,087,003.80, 28,630,505.70 and 9,985,584.60 is: 14,978,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087,003.80 : 28,630,505.70 = 9,985,584.60 : x
  2. Step 2: Convert to fraction form
    19,087,003.80/28,630,505.70 = 9,985,584.60/x
  3. Step 3: Cross multiply
    19,087,003.80x = 28,630,505.70 × 9,985,584.60
  4. Step 4: Simplify right side
    19,087,003.80x = 285,892,336,808,132.19
  5. Step 5: Solve for x
    x = 285,892,336,808,132.19/19,087,003.80
  6. Step 6: Final answer
    x = 14,978,376.90

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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.