Home / 12,724,415.82-19,095,021.81-6,744,982.86

Finding the Fourth Proportional to 12,724,415.82, 19,095,021.81 and 6,744,982.86

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Solution

The fourth proportional to 12,724,415.82, 19,095,021.81 and 6,744,982.86 is: 10,121,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724,415.82 : 19,095,021.81 = 6,744,982.86 : x
  2. Step 2: Convert to fraction form
    12,724,415.82/19,095,021.81 = 6,744,982.86/x
  3. Step 3: Cross multiply
    12,724,415.82x = 19,095,021.81 × 6,744,982.86
  4. Step 4: Simplify right side
    12,724,415.82x = 128,795,594,819,776.17
  5. Step 5: Solve for x
    x = 128,795,594,819,776.17/12,724,415.82
  6. Step 6: Final answer
    x = 10,121,925.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.