Home / 8,252,813.20-12,379,219.80-2,572,992.40

Finding the Fourth Proportional to 8,252,813.20, 12,379,219.80 and 2,572,992.40

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Solution

The fourth proportional to 8,252,813.20, 12,379,219.80 and 2,572,992.40 is: 3,859,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252,813.20 : 12,379,219.80 = 2,572,992.40 : x
  2. Step 2: Convert to fraction form
    8,252,813.20/12,379,219.80 = 2,572,992.40/x
  3. Step 3: Cross multiply
    8,252,813.20x = 12,379,219.80 × 2,572,992.40
  4. Step 4: Simplify right side
    8,252,813.20x = 31,851,638,463,329.52
  5. Step 5: Solve for x
    x = 31,851,638,463,329.52/8,252,813.20
  6. Step 6: Final answer
    x = 3,859,488.60

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Similar ratio
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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.