Home / 19,211,680.53-26,512,328.39-10,509,666.32

Finding the Fourth Proportional to 19,211,680.53, 26,512,328.39 and 10,509,666.32

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Solution

The fourth proportional to 19,211,680.53, 26,512,328.39 and 10,509,666.32 is: 14,503,453.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,680.53 : 26,512,328.39 = 10,509,666.32 : x
  2. Step 2: Convert to fraction form
    19,211,680.53/26,512,328.39 = 10,509,666.32/x
  3. Step 3: Cross multiply
    19,211,680.53x = 26,512,328.39 × 10,509,666.32
  4. Step 4: Simplify right side
    19,211,680.53x = 278,635,724,560,052.84
  5. Step 5: Solve for x
    x = 278,635,724,560,052.84/19,211,680.53
  6. Step 6: Final answer
    x = 14,503,453.99

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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.