Home / 25,899,111.20-38,848,666.80-20,860,263.20

Finding the Fourth Proportional to 25,899,111.20, 38,848,666.80 and 20,860,263.20

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Solution

The fourth proportional to 25,899,111.20, 38,848,666.80 and 20,860,263.20 is: 31,290,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899,111.20 : 38,848,666.80 = 20,860,263.20 : x
  2. Step 2: Convert to fraction form
    25,899,111.20/38,848,666.80 = 20,860,263.20/x
  3. Step 3: Cross multiply
    25,899,111.20x = 38,848,666.80 × 20,860,263.20
  4. Step 4: Simplify right side
    25,899,111.20x = 810,393,414,417,101.62
  5. Step 5: Solve for x
    x = 810,393,414,417,101.62/25,899,111.20
  6. Step 6: Final answer
    x = 31,290,394.80

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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.