Home / 18,430,908.51-25,434,664.56-10,282,146.51

Finding the Fourth Proportional to 18,430,908.51, 25,434,664.56 and 10,282,146.51

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Solution

The fourth proportional to 18,430,908.51, 25,434,664.56 and 10,282,146.51 is: 14,189,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,908.51 : 25,434,664.56 = 10,282,146.51 : x
  2. Step 2: Convert to fraction form
    18,430,908.51/25,434,664.56 = 10,282,146.51/x
  3. Step 3: Cross multiply
    18,430,908.51x = 25,434,664.56 × 10,282,146.51
  4. Step 4: Simplify right side
    18,430,908.51x = 261,522,947,438,624.66
  5. Step 5: Solve for x
    x = 261,522,947,438,624.66/18,430,908.51
  6. Step 6: Final answer
    x = 14,189,368.22

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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.