Home / 20,269,357.98-30,452,541.26-12,997,065.80

Finding the Fourth Proportional to 20,269,357.98, 30,452,541.26 and 12,997,065.80

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Solution

The fourth proportional to 20,269,357.98, 30,452,541.26 and 12,997,065.80 is: 19,526,700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,357.98 : 30,452,541.26 = 12,997,065.80 : x
  2. Step 2: Convert to fraction form
    20,269,357.98/30,452,541.26 = 12,997,065.80/x
  3. Step 3: Cross multiply
    20,269,357.98x = 30,452,541.26 × 12,997,065.80
  4. Step 4: Simplify right side
    20,269,357.98x = 395,793,682,533,434.94
  5. Step 5: Solve for x
    x = 395,793,682,533,434.94/20,269,357.98
  6. Step 6: Final answer
    x = 19,526,700.50

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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.