Home / 40,978,036.20-61,467,054.30-38,626,573.80

Finding the Fourth Proportional to 40,978,036.20, 61,467,054.30 and 38,626,573.80

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Solution

The fourth proportional to 40,978,036.20, 61,467,054.30 and 38,626,573.80 is: 57,939,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,978,036.20 : 61,467,054.30 = 38,626,573.80 : x
  2. Step 2: Convert to fraction form
    40,978,036.20/61,467,054.30 = 38,626,573.80/x
  3. Step 3: Cross multiply
    40,978,036.20x = 61,467,054.30 × 38,626,573.80
  4. Step 4: Simplify right side
    40,978,036.20x = 2,374,261,709,187,557
  5. Step 5: Solve for x
    x = 2,374,261,709,187,557/40,978,036.20
  6. Step 6: Final answer
    x = 57,939,860.70

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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.