Home / 28,193,340.80-42,290,011.20-16,855,932.80

Finding the Fourth Proportional to 28,193,340.80, 42,290,011.20 and 16,855,932.80

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Solution

The fourth proportional to 28,193,340.80, 42,290,011.20 and 16,855,932.80 is: 25,283,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193,340.80 : 42,290,011.20 = 16,855,932.80 : x
  2. Step 2: Convert to fraction form
    28,193,340.80/42,290,011.20 = 16,855,932.80/x
  3. Step 3: Cross multiply
    28,193,340.80x = 42,290,011.20 × 16,855,932.80
  4. Step 4: Simplify right side
    28,193,340.80x = 712,837,586,898,447.50
  5. Step 5: Solve for x
    x = 712,837,586,898,447.50/28,193,340.80
  6. Step 6: Final answer
    x = 25,283,899.20

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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.