Home / 12,653,528.08-18,980,817-3,678,080.08

Finding the Fourth Proportional to 12,653,528.08, 18,980,817 and 3,678,080.08

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Solution

The fourth proportional to 12,653,528.08, 18,980,817 and 3,678,080.08 is: 5,517,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653,528.08 : 18,980,817 = 3,678,080.08 : x
  2. Step 2: Convert to fraction form
    12,653,528.08/18,980,817 = 3,678,080.08/x
  3. Step 3: Cross multiply
    12,653,528.08x = 18,980,817 × 3,678,080.08
  4. Step 4: Simplify right side
    12,653,528.08x = 69,812,964,909,825.36
  5. Step 5: Solve for x
    x = 69,812,964,909,825.36/12,653,528.08
  6. Step 6: Final answer
    x = 5,517,272.69

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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.