Home / 18,879,116.04-28,307,284.02-7,208,249.56

Finding the Fourth Proportional to 18,879,116.04, 28,307,284.02 and 7,208,249.56

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Solution

The fourth proportional to 18,879,116.04, 28,307,284.02 and 7,208,249.56 is: 10,808,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,879,116.04 : 28,307,284.02 = 7,208,249.56 : x
  2. Step 2: Convert to fraction form
    18,879,116.04/28,307,284.02 = 7,208,249.56/x
  3. Step 3: Cross multiply
    18,879,116.04x = 28,307,284.02 × 7,208,249.56
  4. Step 4: Simplify right side
    18,879,116.04x = 204,045,967,511,191.81
  5. Step 5: Solve for x
    x = 204,045,967,511,191.81/18,879,116.04
  6. Step 6: Final answer
    x = 10,808,025.50

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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.