Home / 19,502,039.09-26,869,480.26-12,874,824.51

Finding the Fourth Proportional to 19,502,039.09, 26,869,480.26 and 12,874,824.51

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Solution

The fourth proportional to 19,502,039.09, 26,869,480.26 and 12,874,824.51 is: 17,738,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502,039.09 : 26,869,480.26 = 12,874,824.51 : x
  2. Step 2: Convert to fraction form
    19,502,039.09/26,869,480.26 = 12,874,824.51/x
  3. Step 3: Cross multiply
    19,502,039.09x = 26,869,480.26 × 12,874,824.51
  4. Step 4: Simplify right side
    19,502,039.09x = 345,939,843,022,409.19
  5. Step 5: Solve for x
    x = 345,939,843,022,409.19/19,502,039.09
  6. Step 6: Final answer
    x = 17,738,649.87

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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.