Home / 30,926,442.15-42,675,949.21-16,987,076.87

Finding the Fourth Proportional to 30,926,442.15, 42,675,949.21 and 16,987,076.87

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Solution

The fourth proportional to 30,926,442.15, 42,675,949.21 and 16,987,076.87 is: 23,440,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926,442.15 : 42,675,949.21 = 16,987,076.87 : x
  2. Step 2: Convert to fraction form
    30,926,442.15/42,675,949.21 = 16,987,076.87/x
  3. Step 3: Cross multiply
    30,926,442.15x = 42,675,949.21 × 16,987,076.87
  4. Step 4: Simplify right side
    30,926,442.15x = 724,939,629,730,485.88
  5. Step 5: Solve for x
    x = 724,939,629,730,485.88/30,926,442.15
  6. Step 6: Final answer
    x = 23,440,770.40

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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.