Home / 30,764,540.40-46,146,810.60-12,811,311.60

Finding the Fourth Proportional to 30,764,540.40, 46,146,810.60 and 12,811,311.60

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Solution

The fourth proportional to 30,764,540.40, 46,146,810.60 and 12,811,311.60 is: 19,216,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764,540.40 : 46,146,810.60 = 12,811,311.60 : x
  2. Step 2: Convert to fraction form
    30,764,540.40/46,146,810.60 = 12,811,311.60/x
  3. Step 3: Cross multiply
    30,764,540.40x = 46,146,810.60 × 12,811,311.60
  4. Step 4: Simplify right side
    30,764,540.40x = 591,201,169,942,783
  5. Step 5: Solve for x
    x = 591,201,169,942,783/30,764,540.40
  6. Step 6: Final answer
    x = 19,216,967.40

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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.