Home / 8,477,345.40-12,716,018.10-7,553,556.60

Finding the Fourth Proportional to 8,477,345.40, 12,716,018.10 and 7,553,556.60

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Solution

The fourth proportional to 8,477,345.40, 12,716,018.10 and 7,553,556.60 is: 11,330,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477,345.40 : 12,716,018.10 = 7,553,556.60 : x
  2. Step 2: Convert to fraction form
    8,477,345.40/12,716,018.10 = 7,553,556.60/x
  3. Step 3: Cross multiply
    8,477,345.40x = 12,716,018.10 × 7,553,556.60
  4. Step 4: Simplify right side
    8,477,345.40x = 96,051,162,444,974.45
  5. Step 5: Solve for x
    x = 96,051,162,444,974.45/8,477,345.40
  6. Step 6: Final answer
    x = 11,330,334.90

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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.