Home / 18,683,495.21-25,783,239.53-10,423,559.19

Finding the Fourth Proportional to 18,683,495.21, 25,783,239.53 and 10,423,559.19

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Solution

The fourth proportional to 18,683,495.21, 25,783,239.53 and 10,423,559.19 is: 14,384,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,495.21 : 25,783,239.53 = 10,423,559.19 : x
  2. Step 2: Convert to fraction form
    18,683,495.21/25,783,239.53 = 10,423,559.19/x
  3. Step 3: Cross multiply
    18,683,495.21x = 25,783,239.53 × 10,423,559.19
  4. Step 4: Simplify right side
    18,683,495.21x = 268,753,123,350,902.78
  5. Step 5: Solve for x
    x = 268,753,123,350,902.78/18,683,495.21
  6. Step 6: Final answer
    x = 14,384,520.69

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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.