Home / 30,659,040.34-46,007,706.40-20,431,076.93

Finding the Fourth Proportional to 30,659,040.34, 46,007,706.40 and 20,431,076.93

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Solution

The fourth proportional to 30,659,040.34, 46,007,706.40 and 20,431,076.93 is: 30,659,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659,040.34 : 46,007,706.40 = 20,431,076.93 : x
  2. Step 2: Convert to fraction form
    30,659,040.34/46,007,706.40 = 20,431,076.93/x
  3. Step 3: Cross multiply
    30,659,040.34x = 46,007,706.40 × 20,431,076.93
  4. Step 4: Simplify right side
    30,659,040.34x = 939,986,988,722,666.12
  5. Step 5: Solve for x
    x = 939,986,988,722,666.12/30,659,040.34
  6. Step 6: Final answer
    x = 30,659,374.15

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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.