Home / 30,614,647.85-42,248,216.34-16,863,611.98

Finding the Fourth Proportional to 30,614,647.85, 42,248,216.34 and 16,863,611.98

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Solution

The fourth proportional to 30,614,647.85, 42,248,216.34 and 16,863,611.98 is: 23,271,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614,647.85 : 42,248,216.34 = 16,863,611.98 : x
  2. Step 2: Convert to fraction form
    30,614,647.85/42,248,216.34 = 16,863,611.98/x
  3. Step 3: Cross multiply
    30,614,647.85x = 42,248,216.34 × 16,863,611.98
  4. Step 4: Simplify right side
    30,614,647.85x = 712,457,527,204,855.88
  5. Step 5: Solve for x
    x = 712,457,527,204,855.88/30,614,647.85
  6. Step 6: Final answer
    x = 23,271,785.80

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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.