Home / 8,321,006.40-12,460,514.40-6,641,390.40

Finding the Fourth Proportional to 8,321,006.40, 12,460,514.40 and 6,641,390.40

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Solution

The fourth proportional to 8,321,006.40, 12,460,514.40 and 6,641,390.40 is: 9,945,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,006.40 : 12,460,514.40 = 6,641,390.40 : x
  2. Step 2: Convert to fraction form
    8,321,006.40/12,460,514.40 = 6,641,390.40/x
  3. Step 3: Cross multiply
    8,321,006.40x = 12,460,514.40 × 6,641,390.40
  4. Step 4: Simplify right side
    8,321,006.40x = 82,755,140,715,221.77
  5. Step 5: Solve for x
    x = 82,755,140,715,221.77/8,321,006.40
  6. Step 6: Final answer
    x = 9,945,328.33

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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.