Home / 12,869,624.30-19,374,012.96-11,724,232.09

Finding the Fourth Proportional to 12,869,624.30, 19,374,012.96 and 11,724,232.09

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Solution

The fourth proportional to 12,869,624.30, 19,374,012.96 and 11,724,232.09 is: 17,649,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869,624.30 : 19,374,012.96 = 11,724,232.09 : x
  2. Step 2: Convert to fraction form
    12,869,624.30/19,374,012.96 = 11,724,232.09/x
  3. Step 3: Cross multiply
    12,869,624.30x = 19,374,012.96 × 11,724,232.09
  4. Step 4: Simplify right side
    12,869,624.30x = 227,145,424,467,582.06
  5. Step 5: Solve for x
    x = 227,145,424,467,582.06/12,869,624.30
  6. Step 6: Final answer
    x = 17,649,732.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.