Home / 30,988,667.25-42,764,688.81-17,050,205.48

Finding the Fourth Proportional to 30,988,667.25, 42,764,688.81 and 17,050,205.48

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Solution

The fourth proportional to 30,988,667.25, 42,764,688.81 and 17,050,205.48 is: 23,529,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988,667.25 : 42,764,688.81 = 17,050,205.48 : x
  2. Step 2: Convert to fraction form
    30,988,667.25/42,764,688.81 = 17,050,205.48/x
  3. Step 3: Cross multiply
    30,988,667.25x = 42,764,688.81 × 17,050,205.48
  4. Step 4: Simplify right side
    30,988,667.25x = 729,146,731,284,933.38
  5. Step 5: Solve for x
    x = 729,146,731,284,933.38/30,988,667.25
  6. Step 6: Final answer
    x = 23,529,464.03

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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.