Home / 12,357,736.40-18,536,604.60-10,491,496.40

Finding the Fourth Proportional to 12,357,736.40, 18,536,604.60 and 10,491,496.40

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Solution

The fourth proportional to 12,357,736.40, 18,536,604.60 and 10,491,496.40 is: 15,737,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,736.40 : 18,536,604.60 = 10,491,496.40 : x
  2. Step 2: Convert to fraction form
    12,357,736.40/18,536,604.60 = 10,491,496.40/x
  3. Step 3: Cross multiply
    12,357,736.40x = 18,536,604.60 × 10,491,496.40
  4. Step 4: Simplify right side
    12,357,736.40x = 194,476,720,429,123.47
  5. Step 5: Solve for x
    x = 194,476,720,429,123.47/12,357,736.40
  6. Step 6: Final answer
    x = 15,737,244.60

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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.