Home / 42,126,911.80-63,193,866.90-13,372,235.80

Finding the Fourth Proportional to 42,126,911.80, 63,193,866.90 and 13,372,235.80

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Solution

The fourth proportional to 42,126,911.80, 63,193,866.90 and 13,372,235.80 is: 20,059,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,126,911.80 : 63,193,866.90 = 13,372,235.80 : x
  2. Step 2: Convert to fraction form
    42,126,911.80/63,193,866.90 = 13,372,235.80/x
  3. Step 3: Cross multiply
    42,126,911.80x = 63,193,866.90 × 13,372,235.80
  4. Step 4: Simplify right side
    42,126,911.80x = 845,043,289,300,615
  5. Step 5: Solve for x
    x = 845,043,289,300,615/42,126,911.80
  6. Step 6: Final answer
    x = 20,059,464.44

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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.