Home / 15,135,576.23-20,886,803.74-8,260,107.50

Finding the Fourth Proportional to 15,135,576.23, 20,886,803.74 and 8,260,107.50

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Solution

The fourth proportional to 15,135,576.23, 20,886,803.74 and 8,260,107.50 is: 11,398,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135,576.23 : 20,886,803.74 = 8,260,107.50 : x
  2. Step 2: Convert to fraction form
    15,135,576.23/20,886,803.74 = 8,260,107.50/x
  3. Step 3: Cross multiply
    15,135,576.23x = 20,886,803.74 × 8,260,107.50
  4. Step 4: Simplify right side
    15,135,576.23x = 172,527,244,223,802.03
  5. Step 5: Solve for x
    x = 172,527,244,223,802.03/15,135,576.23
  6. Step 6: Final answer
    x = 11,398,789.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.