Home / 27,994,815.60-38,635,142.04-15,772,498.80

Finding the Fourth Proportional to 27,994,815.60, 38,635,142.04 and 15,772,498.80

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Solution

The fourth proportional to 27,994,815.60, 38,635,142.04 and 15,772,498.80 is: 21,767,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994,815.60 : 38,635,142.04 = 15,772,498.80 : x
  2. Step 2: Convert to fraction form
    27,994,815.60/38,635,142.04 = 15,772,498.80/x
  3. Step 3: Cross multiply
    27,994,815.60x = 38,635,142.04 × 15,772,498.80
  4. Step 4: Simplify right side
    27,994,815.60x = 609,372,731,463,729.62
  5. Step 5: Solve for x
    x = 609,372,731,463,729.62/27,994,815.60
  6. Step 6: Final answer
    x = 21,767,342.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.