Home / 8,768,252.80-13,152,379.20-4,989,116.80

Finding the Fourth Proportional to 8,768,252.80, 13,152,379.20 and 4,989,116.80

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Solution

The fourth proportional to 8,768,252.80, 13,152,379.20 and 4,989,116.80 is: 7,483,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,252.80 : 13,152,379.20 = 4,989,116.80 : x
  2. Step 2: Convert to fraction form
    8,768,252.80/13,152,379.20 = 4,989,116.80/x
  3. Step 3: Cross multiply
    8,768,252.80x = 13,152,379.20 × 4,989,116.80
  4. Step 4: Simplify right side
    8,768,252.80x = 65,618,756,026,690.55
  5. Step 5: Solve for x
    x = 65,618,756,026,690.55/8,768,252.80
  6. Step 6: Final answer
    x = 7,483,675.20

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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.