Home / 13,724,206.40-18,939,039.36-7,922,792

Finding the Fourth Proportional to 13,724,206.40, 18,939,039.36 and 7,922,792

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Solution

The fourth proportional to 13,724,206.40, 18,939,039.36 and 7,922,792 is: 10,933,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724,206.40 : 18,939,039.36 = 7,922,792 : x
  2. Step 2: Convert to fraction form
    13,724,206.40/18,939,039.36 = 7,922,792/x
  3. Step 3: Cross multiply
    13,724,206.40x = 18,939,039.36 × 7,922,792
  4. Step 4: Simplify right side
    13,724,206.40x = 150,050,069,529,093.12
  5. Step 5: Solve for x
    x = 150,050,069,529,093.12/13,724,206.40
  6. Step 6: Final answer
    x = 10,933,241.98

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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.