Home / 7,705,415.40-11,558,123.10-3,926,279.40

Finding the Fourth Proportional to 7,705,415.40, 11,558,123.10 and 3,926,279.40

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Solution

The fourth proportional to 7,705,415.40, 11,558,123.10 and 3,926,279.40 is: 5,889,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705,415.40 : 11,558,123.10 = 3,926,279.40 : x
  2. Step 2: Convert to fraction form
    7,705,415.40/11,558,123.10 = 3,926,279.40/x
  3. Step 3: Cross multiply
    7,705,415.40x = 11,558,123.10 × 3,926,279.40
  4. Step 4: Simplify right side
    7,705,415.40x = 45,380,420,630,194.14
  5. Step 5: Solve for x
    x = 45,380,420,630,194.14/7,705,415.40
  6. Step 6: Final answer
    x = 5,889,419.10

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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.