Home / 8,350,379.20-11,523,328.16-4,912,841.60

Finding the Fourth Proportional to 8,350,379.20, 11,523,328.16 and 4,912,841.60

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Solution

The fourth proportional to 8,350,379.20, 11,523,328.16 and 4,912,841.60 is: 6,779,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350,379.20 : 11,523,328.16 = 4,912,841.60 : x
  2. Step 2: Convert to fraction form
    8,350,379.20/11,523,328.16 = 4,912,841.60/x
  3. Step 3: Cross multiply
    8,350,379.20x = 11,523,328.16 × 4,912,841.60
  4. Step 4: Simplify right side
    8,350,379.20x = 56,612,285,954,899.45
  5. Step 5: Solve for x
    x = 56,612,285,954,899.45/8,350,379.20
  6. Step 6: Final answer
    x = 6,779,606.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.