Home / 26,282,114.40-39,430,544.40-12,819,381.60

Finding the Fourth Proportional to 26,282,114.40, 39,430,544.40 and 12,819,381.60

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Solution

The fourth proportional to 26,282,114.40, 39,430,544.40 and 12,819,381.60 is: 19,232,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,282,114.40 : 39,430,544.40 = 12,819,381.60 : x
  2. Step 2: Convert to fraction form
    26,282,114.40/39,430,544.40 = 12,819,381.60/x
  3. Step 3: Cross multiply
    26,282,114.40x = 39,430,544.40 × 12,819,381.60
  4. Step 4: Simplify right side
    26,282,114.40x = 505,475,195,359,343
  5. Step 5: Solve for x
    x = 505,475,195,359,343/26,282,114.40
  6. Step 6: Final answer
    x = 19,232,668.56

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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.