Home / 25,881,615.62-38,782,515.54-12,735,942.56

Finding the Fourth Proportional to 25,881,615.62, 38,782,515.54 and 12,735,942.56

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Solution

The fourth proportional to 25,881,615.62, 38,782,515.54 and 12,735,942.56 is: 19,084,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881,615.62 : 38,782,515.54 = 12,735,942.56 : x
  2. Step 2: Convert to fraction form
    25,881,615.62/38,782,515.54 = 12,735,942.56/x
  3. Step 3: Cross multiply
    25,881,615.62x = 38,782,515.54 × 12,735,942.56
  4. Step 4: Simplify right side
    25,881,615.62x = 493,931,890,249,747.38
  5. Step 5: Solve for x
    x = 493,931,890,249,747.38/25,881,615.62
  6. Step 6: Final answer
    x = 19,084,275.78

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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.