Home / 12,043,392.06-16,620,128.01-6,816,400.14

Finding the Fourth Proportional to 12,043,392.06, 16,620,128.01 and 6,816,400.14

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Solution

The fourth proportional to 12,043,392.06, 16,620,128.01 and 6,816,400.14 is: 9,406,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043,392.06 : 16,620,128.01 = 6,816,400.14 : x
  2. Step 2: Convert to fraction form
    12,043,392.06/16,620,128.01 = 6,816,400.14/x
  3. Step 3: Cross multiply
    12,043,392.06x = 16,620,128.01 × 6,816,400.14
  4. Step 4: Simplify right side
    12,043,392.06x = 113,289,442,894,181.92
  5. Step 5: Solve for x
    x = 113,289,442,894,181.92/12,043,392.06
  6. Step 6: Final answer
    x = 9,406,771.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.