Home / 6,228,225.20-9,342,337.80-5,220,455.60

Finding the Fourth Proportional to 6,228,225.20, 9,342,337.80 and 5,220,455.60

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Solution

The fourth proportional to 6,228,225.20, 9,342,337.80 and 5,220,455.60 is: 7,830,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228,225.20 : 9,342,337.80 = 5,220,455.60 : x
  2. Step 2: Convert to fraction form
    6,228,225.20/9,342,337.80 = 5,220,455.60/x
  3. Step 3: Cross multiply
    6,228,225.20x = 9,342,337.80 × 5,220,455.60
  4. Step 4: Simplify right side
    6,228,225.20x = 48,771,259,685,101.68
  5. Step 5: Solve for x
    x = 48,771,259,685,101.68/6,228,225.20
  6. Step 6: Final answer
    x = 7,830,683.40

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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.