Home / 13,288,653.60-19,932,980.40-4,313,205.60

Finding the Fourth Proportional to 13,288,653.60, 19,932,980.40 and 4,313,205.60

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Solution

The fourth proportional to 13,288,653.60, 19,932,980.40 and 4,313,205.60 is: 6,469,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,653.60 : 19,932,980.40 = 4,313,205.60 : x
  2. Step 2: Convert to fraction form
    13,288,653.60/19,932,980.40 = 4,313,205.60/x
  3. Step 3: Cross multiply
    13,288,653.60x = 19,932,980.40 × 4,313,205.60
  4. Step 4: Simplify right side
    13,288,653.60x = 85,975,042,685,970.22
  5. Step 5: Solve for x
    x = 85,975,042,685,970.22/13,288,653.60
  6. Step 6: Final answer
    x = 6,469,808.40

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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.