Home / 7,186,626.40-10,779,939.60-3,407,490.40

Finding the Fourth Proportional to 7,186,626.40, 10,779,939.60 and 3,407,490.40

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Solution

The fourth proportional to 7,186,626.40, 10,779,939.60 and 3,407,490.40 is: 5,111,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,626.40 : 10,779,939.60 = 3,407,490.40 : x
  2. Step 2: Convert to fraction form
    7,186,626.40/10,779,939.60 = 3,407,490.40/x
  3. Step 3: Cross multiply
    7,186,626.40x = 10,779,939.60 × 3,407,490.40
  4. Step 4: Simplify right side
    7,186,626.40x = 36,732,540,699,579.84
  5. Step 5: Solve for x
    x = 36,732,540,699,579.84/7,186,626.40
  6. Step 6: Final answer
    x = 5,111,235.60

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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.