Home / 19,355,539.20-28,986,069.60-9,246,350.40

Finding the Fourth Proportional to 19,355,539.20, 28,986,069.60 and 9,246,350.40

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Solution

The fourth proportional to 19,355,539.20, 28,986,069.60 and 9,246,350.40 is: 13,846,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355,539.20 : 28,986,069.60 = 9,246,350.40 : x
  2. Step 2: Convert to fraction form
    19,355,539.20/28,986,069.60 = 9,246,350.40/x
  3. Step 3: Cross multiply
    19,355,539.20x = 28,986,069.60 × 9,246,350.40
  4. Step 4: Simplify right side
    19,355,539.20x = 268,015,356,240,387.88
  5. Step 5: Solve for x
    x = 268,015,356,240,387.88/19,355,539.20
  6. Step 6: Final answer
    x = 13,846,958.92

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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.