Home / 6,911,998.40-10,367,997.60-4,877,105.60

Finding the Fourth Proportional to 6,911,998.40, 10,367,997.60 and 4,877,105.60

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Solution

The fourth proportional to 6,911,998.40, 10,367,997.60 and 4,877,105.60 is: 7,315,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911,998.40 : 10,367,997.60 = 4,877,105.60 : x
  2. Step 2: Convert to fraction form
    6,911,998.40/10,367,997.60 = 4,877,105.60/x
  3. Step 3: Cross multiply
    6,911,998.40x = 10,367,997.60 × 4,877,105.60
  4. Step 4: Simplify right side
    6,911,998.40x = 50,565,819,155,746.55
  5. Step 5: Solve for x
    x = 50,565,819,155,746.55/6,911,998.40
  6. Step 6: Final answer
    x = 7,315,658.40

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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.