Home / 26,419,931.70-39,629,897.55-19,216,245.30

Finding the Fourth Proportional to 26,419,931.70, 39,629,897.55 and 19,216,245.30

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Solution

The fourth proportional to 26,419,931.70, 39,629,897.55 and 19,216,245.30 is: 28,824,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419,931.70 : 39,629,897.55 = 19,216,245.30 : x
  2. Step 2: Convert to fraction form
    26,419,931.70/39,629,897.55 = 19,216,245.30/x
  3. Step 3: Cross multiply
    26,419,931.70x = 39,629,897.55 × 19,216,245.30
  4. Step 4: Simplify right side
    26,419,931.70x = 761,537,832,534,669
  5. Step 5: Solve for x
    x = 761,537,832,534,669/26,419,931.70
  6. Step 6: Final answer
    x = 28,824,367.95

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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.