Home / 28,449,213.63-42,630,714.41-18,830,131.53

Finding the Fourth Proportional to 28,449,213.63, 42,630,714.41 and 18,830,131.53

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Solution

The fourth proportional to 28,449,213.63, 42,630,714.41 and 18,830,131.53 is: 28,216,666.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449,213.63 : 42,630,714.41 = 18,830,131.53 : x
  2. Step 2: Convert to fraction form
    28,449,213.63/42,630,714.41 = 18,830,131.53/x
  3. Step 3: Cross multiply
    28,449,213.63x = 42,630,714.41 × 18,830,131.53
  4. Step 4: Simplify right side
    28,449,213.63x = 802,741,959,464,015.75
  5. Step 5: Solve for x
    x = 802,741,959,464,015.75/28,449,213.63
  6. Step 6: Final answer
    x = 28,216,666.02

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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.