Home / 21,993,791.40-32,990,687.10-19,159,439.40

Finding the Fourth Proportional to 21,993,791.40, 32,990,687.10 and 19,159,439.40

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Solution

The fourth proportional to 21,993,791.40, 32,990,687.10 and 19,159,439.40 is: 28,739,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993,791.40 : 32,990,687.10 = 19,159,439.40 : x
  2. Step 2: Convert to fraction form
    21,993,791.40/32,990,687.10 = 19,159,439.40/x
  3. Step 3: Cross multiply
    21,993,791.40x = 32,990,687.10 × 19,159,439.40
  4. Step 4: Simplify right side
    21,993,791.40x = 632,083,070,256,811.75
  5. Step 5: Solve for x
    x = 632,083,070,256,811.75/21,993,791.40
  6. Step 6: Final answer
    x = 28,739,159.10

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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.