Home / 7,086,798.80-10,630,198.20-6,539,368.40

Finding the Fourth Proportional to 7,086,798.80, 10,630,198.20 and 6,539,368.40

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Solution

The fourth proportional to 7,086,798.80, 10,630,198.20 and 6,539,368.40 is: 9,809,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,798.80 : 10,630,198.20 = 6,539,368.40 : x
  2. Step 2: Convert to fraction form
    7,086,798.80/10,630,198.20 = 6,539,368.40/x
  3. Step 3: Cross multiply
    7,086,798.80x = 10,630,198.20 × 6,539,368.40
  4. Step 4: Simplify right side
    7,086,798.80x = 69,514,782,194,816.88
  5. Step 5: Solve for x
    x = 69,514,782,194,816.88/7,086,798.80
  6. Step 6: Final answer
    x = 9,809,052.60

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Double scale
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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.