Home / 30,771,289.43-42,465,392.01-16,832,325.86

Finding the Fourth Proportional to 30,771,289.43, 42,465,392.01 and 16,832,325.86

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Solution

The fourth proportional to 30,771,289.43, 42,465,392.01 and 16,832,325.86 is: 23,229,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771,289.43 : 42,465,392.01 = 16,832,325.86 : x
  2. Step 2: Convert to fraction form
    30,771,289.43/42,465,392.01 = 16,832,325.86/x
  3. Step 3: Cross multiply
    30,771,289.43x = 42,465,392.01 × 16,832,325.86
  4. Step 4: Simplify right side
    30,771,289.43x = 714,791,315,872,633.38
  5. Step 5: Solve for x
    x = 714,791,315,872,633.38/30,771,289.43
  6. Step 6: Final answer
    x = 23,229,163.59

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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.