Home / 18,678,228.67-25,774,845.50-10,837,133.53

Finding the Fourth Proportional to 18,678,228.67, 25,774,845.50 and 10,837,133.53

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Solution

The fourth proportional to 18,678,228.67, 25,774,845.50 and 10,837,133.53 is: 14,954,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678,228.67 : 25,774,845.50 = 10,837,133.53 : x
  2. Step 2: Convert to fraction form
    18,678,228.67/25,774,845.50 = 10,837,133.53/x
  3. Step 3: Cross multiply
    18,678,228.67x = 25,774,845.50 × 10,837,133.53
  4. Step 4: Simplify right side
    18,678,228.67x = 279,325,442,398,619.59
  5. Step 5: Solve for x
    x = 279,325,442,398,619.59/18,678,228.67
  6. Step 6: Final answer
    x = 14,954,600.21

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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.