Home / 18,712,448.72-25,823,257.80-10,127,744.72

Finding the Fourth Proportional to 18,712,448.72, 25,823,257.80 and 10,127,744.72

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Solution

The fourth proportional to 18,712,448.72, 25,823,257.80 and 10,127,744.72 is: 13,976,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712,448.72 : 25,823,257.80 = 10,127,744.72 : x
  2. Step 2: Convert to fraction form
    18,712,448.72/25,823,257.80 = 10,127,744.72/x
  3. Step 3: Cross multiply
    18,712,448.72x = 25,823,257.80 × 10,127,744.72
  4. Step 4: Simplify right side
    18,712,448.72x = 261,531,362,837,148.84
  5. Step 5: Solve for x
    x = 261,531,362,837,148.84/18,712,448.72
  6. Step 6: Final answer
    x = 13,976,330.24

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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.