Home / 19,988,439.75-29,994,600.83-18,362,215.59

Finding the Fourth Proportional to 19,988,439.75, 29,994,600.83 and 18,362,215.59

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Solution

The fourth proportional to 19,988,439.75, 29,994,600.83 and 18,362,215.59 is: 27,554,293.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988,439.75 : 29,994,600.83 = 18,362,215.59 : x
  2. Step 2: Convert to fraction form
    19,988,439.75/29,994,600.83 = 18,362,215.59/x
  3. Step 3: Cross multiply
    19,988,439.75x = 29,994,600.83 × 18,362,215.59
  4. Step 4: Simplify right side
    19,988,439.75x = 550,767,326,884,641.81
  5. Step 5: Solve for x
    x = 550,767,326,884,641.81/19,988,439.75
  6. Step 6: Final answer
    x = 27,554,293.07

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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.