Home / 30,659,041.84-46,007,708.65-20,431,078.43

Finding the Fourth Proportional to 30,659,041.84, 46,007,708.65 and 20,431,078.43

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Solution

The fourth proportional to 30,659,041.84, 46,007,708.65 and 20,431,078.43 is: 30,659,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659,041.84 : 46,007,708.65 = 20,431,078.43 : x
  2. Step 2: Convert to fraction form
    30,659,041.84/46,007,708.65 = 20,431,078.43/x
  3. Step 3: Cross multiply
    30,659,041.84x = 46,007,708.65 × 20,431,078.43
  4. Step 4: Simplify right side
    30,659,041.84x = 939,987,103,704,152.12
  5. Step 5: Solve for x
    x = 939,987,103,704,152.12/30,659,041.84
  6. Step 6: Final answer
    x = 30,659,376.40

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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.