Home / 19,903,035.96-27,474,664.32-13,380,448.50

Finding the Fourth Proportional to 19,903,035.96, 27,474,664.32 and 13,380,448.50

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Solution

The fourth proportional to 19,903,035.96, 27,474,664.32 and 13,380,448.50 is: 18,470,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903,035.96 : 27,474,664.32 = 13,380,448.50 : x
  2. Step 2: Convert to fraction form
    19,903,035.96/27,474,664.32 = 13,380,448.50/x
  3. Step 3: Cross multiply
    19,903,035.96x = 27,474,664.32 × 13,380,448.50
  4. Step 4: Simplify right side
    19,903,035.96x = 367,623,330,988,547.50
  5. Step 5: Solve for x
    x = 367,623,330,988,547.50/19,903,035.96
  6. Step 6: Final answer
    x = 18,470,716.31

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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.