Home / 7,101,817.60-10,652,726.40-3,120,505.60

Finding the Fourth Proportional to 7,101,817.60, 10,652,726.40 and 3,120,505.60

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Solution

The fourth proportional to 7,101,817.60, 10,652,726.40 and 3,120,505.60 is: 4,680,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101,817.60 : 10,652,726.40 = 3,120,505.60 : x
  2. Step 2: Convert to fraction form
    7,101,817.60/10,652,726.40 = 3,120,505.60/x
  3. Step 3: Cross multiply
    7,101,817.60x = 10,652,726.40 × 3,120,505.60
  4. Step 4: Simplify right side
    7,101,817.60x = 33,241,892,386,467.84
  5. Step 5: Solve for x
    x = 33,241,892,386,467.84/7,101,817.60
  6. Step 6: Final answer
    x = 4,680,758.40

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Similar ratio
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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.