Home / 8,323,445.80-12,485,168.70-7,776,015.40

Finding the Fourth Proportional to 8,323,445.80, 12,485,168.70 and 7,776,015.40

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Solution

The fourth proportional to 8,323,445.80, 12,485,168.70 and 7,776,015.40 is: 11,664,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323,445.80 : 12,485,168.70 = 7,776,015.40 : x
  2. Step 2: Convert to fraction form
    8,323,445.80/12,485,168.70 = 7,776,015.40/x
  3. Step 3: Cross multiply
    8,323,445.80x = 12,485,168.70 × 7,776,015.40
  4. Step 4: Simplify right side
    8,323,445.80x = 97,084,864,082,797.98
  5. Step 5: Solve for x
    x = 97,084,864,082,797.98/8,323,445.80
  6. Step 6: Final answer
    x = 11,664,023.10

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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.