Home / 28,213,554.96-42,320,857.50-8,019,321.84

Finding the Fourth Proportional to 28,213,554.96, 42,320,857.50 and 8,019,321.84

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Solution

The fourth proportional to 28,213,554.96, 42,320,857.50 and 8,019,321.84 is: 12,029,132.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213,554.96 : 42,320,857.50 = 8,019,321.84 : x
  2. Step 2: Convert to fraction form
    28,213,554.96/42,320,857.50 = 8,019,321.84/x
  3. Step 3: Cross multiply
    28,213,554.96x = 42,320,857.50 × 8,019,321.84
  4. Step 4: Simplify right side
    28,213,554.96x = 339,384,576,837,277.81
  5. Step 5: Solve for x
    x = 339,384,576,837,277.81/28,213,554.96
  6. Step 6: Final answer
    x = 12,029,132.00

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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.