Home / 30,094,120.64-41,542,595.16-20,317,802.96

Finding the Fourth Proportional to 30,094,120.64, 41,542,595.16 and 20,317,802.96

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Solution

The fourth proportional to 30,094,120.64, 41,542,595.16 and 20,317,802.96 is: 28,047,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,094,120.64 : 41,542,595.16 = 20,317,802.96 : x
  2. Step 2: Convert to fraction form
    30,094,120.64/41,542,595.16 = 20,317,802.96/x
  3. Step 3: Cross multiply
    30,094,120.64x = 41,542,595.16 × 20,317,802.96
  4. Step 4: Simplify right side
    30,094,120.64x = 844,054,262,907,929.62
  5. Step 5: Solve for x
    x = 844,054,262,907,929.62/30,094,120.64
  6. Step 6: Final answer
    x = 28,047,148.25

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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.