Home / 21,993,816.40-32,990,724.60-19,159,464.40

Finding the Fourth Proportional to 21,993,816.40, 32,990,724.60 and 19,159,464.40

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Solution

The fourth proportional to 21,993,816.40, 32,990,724.60 and 19,159,464.40 is: 28,739,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993,816.40 : 32,990,724.60 = 19,159,464.40 : x
  2. Step 2: Convert to fraction form
    21,993,816.40/32,990,724.60 = 19,159,464.40/x
  3. Step 3: Cross multiply
    21,993,816.40x = 32,990,724.60 × 19,159,464.40
  4. Step 4: Simplify right side
    21,993,816.40x = 632,084,613,503,904.25
  5. Step 5: Solve for x
    x = 632,084,613,503,904.25/21,993,816.40
  6. Step 6: Final answer
    x = 28,739,196.60

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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.