Home / 8,736,619.20-13,104,928.80-3,057,417.60

Finding the Fourth Proportional to 8,736,619.20, 13,104,928.80 and 3,057,417.60

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Solution

The fourth proportional to 8,736,619.20, 13,104,928.80 and 3,057,417.60 is: 4,586,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,619.20 : 13,104,928.80 = 3,057,417.60 : x
  2. Step 2: Convert to fraction form
    8,736,619.20/13,104,928.80 = 3,057,417.60/x
  3. Step 3: Cross multiply
    8,736,619.20x = 13,104,928.80 × 3,057,417.60
  4. Step 4: Simplify right side
    8,736,619.20x = 40,067,239,959,866.88
  5. Step 5: Solve for x
    x = 40,067,239,959,866.88/8,736,619.20
  6. Step 6: Final answer
    x = 4,586,126.40

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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.