Home / 28,512,003.20-42,768,004.80-13,367,465.60

Finding the Fourth Proportional to 28,512,003.20, 42,768,004.80 and 13,367,465.60

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Solution

The fourth proportional to 28,512,003.20, 42,768,004.80 and 13,367,465.60 is: 20,051,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,003.20 : 42,768,004.80 = 13,367,465.60 : x
  2. Step 2: Convert to fraction form
    28,512,003.20/42,768,004.80 = 13,367,465.60/x
  3. Step 3: Cross multiply
    28,512,003.20x = 42,768,004.80 × 13,367,465.60
  4. Step 4: Simplify right side
    28,512,003.20x = 571,699,832,944,634.88
  5. Step 5: Solve for x
    x = 571,699,832,944,634.88/28,512,003.20
  6. Step 6: Final answer
    x = 20,051,198.40

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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.