Home / 28,067,343.90-42,101,015.85-13,699,628.70

Finding the Fourth Proportional to 28,067,343.90, 42,101,015.85 and 13,699,628.70

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Solution

The fourth proportional to 28,067,343.90, 42,101,015.85 and 13,699,628.70 is: 20,549,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067,343.90 : 42,101,015.85 = 13,699,628.70 : x
  2. Step 2: Convert to fraction form
    28,067,343.90/42,101,015.85 = 13,699,628.70/x
  3. Step 3: Cross multiply
    28,067,343.90x = 42,101,015.85 × 13,699,628.70
  4. Step 4: Simplify right side
    28,067,343.90x = 576,768,285,037,814.88
  5. Step 5: Solve for x
    x = 576,768,285,037,814.88/28,067,343.90
  6. Step 6: Final answer
    x = 20,549,443.05

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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.