Home / 28,889,714.80-43,345,631.40-28,436,287.60

Finding the Fourth Proportional to 28,889,714.80, 43,345,631.40 and 28,436,287.60

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Solution

The fourth proportional to 28,889,714.80, 43,345,631.40 and 28,436,287.60 is: 42,665,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889,714.80 : 43,345,631.40 = 28,436,287.60 : x
  2. Step 2: Convert to fraction form
    28,889,714.80/43,345,631.40 = 28,436,287.60/x
  3. Step 3: Cross multiply
    28,889,714.80x = 43,345,631.40 × 28,436,287.60
  4. Step 4: Simplify right side
    28,889,714.80x = 1,232,588,840,693,990.75
  5. Step 5: Solve for x
    x = 1,232,588,840,693,990.75/28,889,714.80
  6. Step 6: Final answer
    x = 42,665,317.02

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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.