Home / 13,021,464.96-17,970,429.39-7,220,246.72

Finding the Fourth Proportional to 13,021,464.96, 17,970,429.39 and 7,220,246.72

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Solution

The fourth proportional to 13,021,464.96, 17,970,429.39 and 7,220,246.72 is: 9,964,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021,464.96 : 17,970,429.39 = 7,220,246.72 : x
  2. Step 2: Convert to fraction form
    13,021,464.96/17,970,429.39 = 7,220,246.72/x
  3. Step 3: Cross multiply
    13,021,464.96x = 17,970,429.39 × 7,220,246.72
  4. Step 4: Simplify right side
    13,021,464.96x = 129,750,933,743,211.03
  5. Step 5: Solve for x
    x = 129,750,933,743,211.03/13,021,464.96
  6. Step 6: Final answer
    x = 9,964,388.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.