Home / 30,912,214.51-46,368,481.73-18,123,751.15

Finding the Fourth Proportional to 30,912,214.51, 46,368,481.73 and 18,123,751.15

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Solution

The fourth proportional to 30,912,214.51, 46,368,481.73 and 18,123,751.15 is: 27,185,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,912,214.51 : 46,368,481.73 = 18,123,751.15 : x
  2. Step 2: Convert to fraction form
    30,912,214.51/46,368,481.73 = 18,123,751.15/x
  3. Step 3: Cross multiply
    30,912,214.51x = 46,368,481.73 × 18,123,751.15
  4. Step 4: Simplify right side
    30,912,214.51x = 840,370,823,871,301.62
  5. Step 5: Solve for x
    x = 840,370,823,871,301.62/30,912,214.51
  6. Step 6: Final answer
    x = 27,185,720.50

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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.