Home / 18,683,494.21-25,783,238.15-10,423,558.19

Finding the Fourth Proportional to 18,683,494.21, 25,783,238.15 and 10,423,558.19

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Solution

The fourth proportional to 18,683,494.21, 25,783,238.15 and 10,423,558.19 is: 14,384,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,494.21 : 25,783,238.15 = 10,423,558.19 : x
  2. Step 2: Convert to fraction form
    18,683,494.21/25,783,238.15 = 10,423,558.19/x
  3. Step 3: Cross multiply
    18,683,494.21x = 25,783,238.15 × 10,423,558.19
  4. Step 4: Simplify right side
    18,683,494.21x = 268,753,083,183,152.91
  5. Step 5: Solve for x
    x = 268,753,083,183,152.91/18,683,494.21
  6. Step 6: Final answer
    x = 14,384,519.31

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Double scale
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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.