Home / 12,653,528.58-18,980,817.75-3,678,080.58

Finding the Fourth Proportional to 12,653,528.58, 18,980,817.75 and 3,678,080.58

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Solution

The fourth proportional to 12,653,528.58, 18,980,817.75 and 3,678,080.58 is: 5,517,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653,528.58 : 18,980,817.75 = 3,678,080.58 : x
  2. Step 2: Convert to fraction form
    12,653,528.58/18,980,817.75 = 3,678,080.58/x
  3. Step 3: Cross multiply
    12,653,528.58x = 18,980,817.75 × 3,678,080.58
  4. Step 4: Simplify right side
    12,653,528.58x = 69,812,977,158,794.30
  5. Step 5: Solve for x
    x = 69,812,977,158,794.30/12,653,528.58
  6. Step 6: Final answer
    x = 5,517,273.44

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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.