Home / 7,816,000.40-11,724,000.60-6,488,896.40

Finding the Fourth Proportional to 7,816,000.40, 11,724,000.60 and 6,488,896.40

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Solution

The fourth proportional to 7,816,000.40, 11,724,000.60 and 6,488,896.40 is: 9,733,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816,000.40 : 11,724,000.60 = 6,488,896.40 : x
  2. Step 2: Convert to fraction form
    7,816,000.40/11,724,000.60 = 6,488,896.40/x
  3. Step 3: Cross multiply
    7,816,000.40x = 11,724,000.60 × 6,488,896.40
  4. Step 4: Simplify right side
    7,816,000.40x = 76,075,825,286,937.84
  5. Step 5: Solve for x
    x = 76,075,825,286,937.84/7,816,000.40
  6. Step 6: Final answer
    x = 9,733,344.60

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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.