Home / 18,423,257.63-25,415,877.87-10,683,818.19

Finding the Fourth Proportional to 18,423,257.63, 25,415,877.87 and 10,683,818.19

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Solution

The fourth proportional to 18,423,257.63, 25,415,877.87 and 10,683,818.19 is: 14,738,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423,257.63 : 25,415,877.87 = 10,683,818.19 : x
  2. Step 2: Convert to fraction form
    18,423,257.63/25,415,877.87 = 10,683,818.19/x
  3. Step 3: Cross multiply
    18,423,257.63x = 25,415,877.87 × 10,683,818.19
  4. Step 4: Simplify right side
    18,423,257.63x = 271,538,618,302,324.47
  5. Step 5: Solve for x
    x = 271,538,618,302,324.47/18,423,257.63
  6. Step 6: Final answer
    x = 14,738,903.61

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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.