Home / 30,150,916.29-45,226,964.94-8,586,072.06

Finding the Fourth Proportional to 30,150,916.29, 45,226,964.94 and 8,586,072.06

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Solution

The fourth proportional to 30,150,916.29, 45,226,964.94 and 8,586,072.06 is: 12,879,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150,916.29 : 45,226,964.94 = 8,586,072.06 : x
  2. Step 2: Convert to fraction form
    30,150,916.29/45,226,964.94 = 8,586,072.06/x
  3. Step 3: Cross multiply
    30,150,916.29x = 45,226,964.94 × 8,586,072.06
  4. Step 4: Simplify right side
    30,150,916.29x = 388,321,980,029,933.56
  5. Step 5: Solve for x
    x = 388,321,980,029,933.56/30,150,916.29
  6. Step 6: Final answer
    x = 12,879,276.25

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1.5x scale

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.