Home / 6,739,904.80-10,109,857.20-6,697,914.40

Finding the Fourth Proportional to 6,739,904.80, 10,109,857.20 and 6,697,914.40

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Solution

The fourth proportional to 6,739,904.80, 10,109,857.20 and 6,697,914.40 is: 10,046,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,904.80 : 10,109,857.20 = 6,697,914.40 : x
  2. Step 2: Convert to fraction form
    6,739,904.80/10,109,857.20 = 6,697,914.40/x
  3. Step 3: Cross multiply
    6,739,904.80x = 10,109,857.20 × 6,697,914.40
  4. Step 4: Simplify right side
    6,739,904.80x = 67,714,958,121,823.68
  5. Step 5: Solve for x
    x = 67,714,958,121,823.68/6,739,904.80
  6. Step 6: Final answer
    x = 10,046,871.60

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Double scale
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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.