Home / 10,992,619.20-16,488,928.80-9,229,022.40

Finding the Fourth Proportional to 10,992,619.20, 16,488,928.80 and 9,229,022.40

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Solution

The fourth proportional to 10,992,619.20, 16,488,928.80 and 9,229,022.40 is: 13,843,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,619.20 : 16,488,928.80 = 9,229,022.40 : x
  2. Step 2: Convert to fraction form
    10,992,619.20/16,488,928.80 = 9,229,022.40/x
  3. Step 3: Cross multiply
    10,992,619.20x = 16,488,928.80 × 9,229,022.40
  4. Step 4: Simplify right side
    10,992,619.20x = 152,176,693,247,205.12
  5. Step 5: Solve for x
    x = 152,176,693,247,205.12/10,992,619.20
  6. Step 6: Final answer
    x = 13,843,533.60

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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.