Home / 13,289,619.60-19,943,760.60-5,722,016.40

Finding the Fourth Proportional to 13,289,619.60, 19,943,760.60 and 5,722,016.40

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Solution

The fourth proportional to 13,289,619.60, 19,943,760.60 and 5,722,016.40 is: 8,587,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,619.60 : 19,943,760.60 = 5,722,016.40 : x
  2. Step 2: Convert to fraction form
    13,289,619.60/19,943,760.60 = 5,722,016.40/x
  3. Step 3: Cross multiply
    13,289,619.60x = 19,943,760.60 × 5,722,016.40
  4. Step 4: Simplify right side
    13,289,619.60x = 114,118,525,230,873.86
  5. Step 5: Solve for x
    x = 114,118,525,230,873.86/13,289,619.60
  6. Step 6: Final answer
    x = 8,587,042.27

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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.