Home / 21,879,969.40-32,772,714.90-18,100,833.40

Finding the Fourth Proportional to 21,879,969.40, 32,772,714.90 and 18,100,833.40

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Solution

The fourth proportional to 21,879,969.40, 32,772,714.90 and 18,100,833.40 is: 27,112,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,879,969.40 : 32,772,714.90 = 18,100,833.40 : x
  2. Step 2: Convert to fraction form
    21,879,969.40/32,772,714.90 = 18,100,833.40/x
  3. Step 3: Cross multiply
    21,879,969.40x = 32,772,714.90 × 18,100,833.40
  4. Step 4: Simplify right side
    21,879,969.40x = 593,213,452,470,597.62
  5. Step 5: Solve for x
    x = 593,213,452,470,597.62/21,879,969.40
  6. Step 6: Final answer
    x = 27,112,170.11

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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.