Home / 25,921,208.40-38,881,812.60-21,669,680.40

Finding the Fourth Proportional to 25,921,208.40, 38,881,812.60 and 21,669,680.40

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Solution

The fourth proportional to 25,921,208.40, 38,881,812.60 and 21,669,680.40 is: 32,504,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,921,208.40 : 38,881,812.60 = 21,669,680.40 : x
  2. Step 2: Convert to fraction form
    25,921,208.40/38,881,812.60 = 21,669,680.40/x
  3. Step 3: Cross multiply
    25,921,208.40x = 38,881,812.60 × 21,669,680.40
  4. Step 4: Simplify right side
    25,921,208.40x = 842,556,452,414,693
  5. Step 5: Solve for x
    x = 842,556,452,414,693/25,921,208.40
  6. Step 6: Final answer
    x = 32,504,520.60

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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.