Home / 12,120,549.21-18,183,710.66-4,547,580.57

Finding the Fourth Proportional to 12,120,549.21, 18,183,710.66 and 4,547,580.57

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Solution

The fourth proportional to 12,120,549.21, 18,183,710.66 and 4,547,580.57 is: 6,822,453.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,549.21 : 18,183,710.66 = 4,547,580.57 : x
  2. Step 2: Convert to fraction form
    12,120,549.21/18,183,710.66 = 4,547,580.57/x
  3. Step 3: Cross multiply
    12,120,549.21x = 18,183,710.66 × 4,547,580.57
  4. Step 4: Simplify right side
    12,120,549.21x = 82,691,889,265,179.98
  5. Step 5: Solve for x
    x = 82,691,889,265,179.98/12,120,549.21
  6. Step 6: Final answer
    x = 6,822,453.99

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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.