Home / 15,682,641,611.80-23,523,962,417.70-12,131,765,426.20

Finding the Fourth Proportional to 15,682,641,611.80, 23,523,962,417.70 and 12,131,765,426.20

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Solution

The fourth proportional to 15,682,641,611.80, 23,523,962,417.70 and 12,131,765,426.20 is: 18,197,648,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,682,641,611.80 : 23,523,962,417.70 = 12,131,765,426.20 : x
  2. Step 2: Convert to fraction form
    15,682,641,611.80/23,523,962,417.70 = 12,131,765,426.20/x
  3. Step 3: Cross multiply
    15,682,641,611.80x = 23,523,962,417.70 × 12,131,765,426.20
  4. Step 4: Simplify right side
    15,682,641,611.80x = 285,387,193,946,281,050,112
  5. Step 5: Solve for x
    x = 285,387,193,946,281,050,112/15,682,641,611.80
  6. Step 6: Final answer
    x = 18,197,648,139.30

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1.5x scale

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.