Home / 30,893,347.20-46,340,020.80-8,176,540.80

Finding the Fourth Proportional to 30,893,347.20, 46,340,020.80 and 8,176,540.80

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Solution

The fourth proportional to 30,893,347.20, 46,340,020.80 and 8,176,540.80 is: 12,264,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893,347.20 : 46,340,020.80 = 8,176,540.80 : x
  2. Step 2: Convert to fraction form
    30,893,347.20/46,340,020.80 = 8,176,540.80/x
  3. Step 3: Cross multiply
    30,893,347.20x = 46,340,020.80 × 8,176,540.80
  4. Step 4: Simplify right side
    30,893,347.20x = 378,901,070,744,048.62
  5. Step 5: Solve for x
    x = 378,901,070,744,048.62/30,893,347.20
  6. Step 6: Final answer
    x = 12,264,811.20

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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.