Home / 6,784,047.40-10,176,071.10-6,736,808.20

Finding the Fourth Proportional to 6,784,047.40, 10,176,071.10 and 6,736,808.20

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Solution

The fourth proportional to 6,784,047.40, 10,176,071.10 and 6,736,808.20 is: 10,105,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784,047.40 : 10,176,071.10 = 6,736,808.20 : x
  2. Step 2: Convert to fraction form
    6,784,047.40/10,176,071.10 = 6,736,808.20/x
  3. Step 3: Cross multiply
    6,784,047.40x = 10,176,071.10 × 6,736,808.20
  4. Step 4: Simplify right side
    6,784,047.40x = 68,554,239,230,263.02
  5. Step 5: Solve for x
    x = 68,554,239,230,263.02/6,784,047.40
  6. Step 6: Final answer
    x = 10,105,212.30

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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.