Home / 30,631,544.68-42,271,540.44-16,692,903.61

Finding the Fourth Proportional to 30,631,544.68, 42,271,540.44 and 16,692,903.61

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Solution

The fourth proportional to 30,631,544.68, 42,271,540.44 and 16,692,903.61 is: 23,036,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631,544.68 : 42,271,540.44 = 16,692,903.61 : x
  2. Step 2: Convert to fraction form
    30,631,544.68/42,271,540.44 = 16,692,903.61/x
  3. Step 3: Cross multiply
    30,631,544.68x = 42,271,540.44 × 16,692,903.61
  4. Step 4: Simplify right side
    30,631,544.68x = 705,634,750,011,136.88
  5. Step 5: Solve for x
    x = 705,634,750,011,136.88/30,631,544.68
  6. Step 6: Final answer
    x = 23,036,211.77

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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.