Home / 9,168,940.80-13,753,411.20-8,176,917.60

Finding the Fourth Proportional to 9,168,940.80, 13,753,411.20 and 8,176,917.60

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Solution

The fourth proportional to 9,168,940.80, 13,753,411.20 and 8,176,917.60 is: 12,265,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168,940.80 : 13,753,411.20 = 8,176,917.60 : x
  2. Step 2: Convert to fraction form
    9,168,940.80/13,753,411.20 = 8,176,917.60/x
  3. Step 3: Cross multiply
    9,168,940.80x = 13,753,411.20 × 8,176,917.60
  4. Step 4: Simplify right side
    9,168,940.80x = 112,460,510,101,317.11
  5. Step 5: Solve for x
    x = 112,460,510,101,317.11/9,168,940.80
  6. Step 6: Final answer
    x = 12,265,376.40

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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.