Home / 5,678,784.10-8,518,176.15-5,268,211.30

Finding the Fourth Proportional to 5,678,784.10, 8,518,176.15 and 5,268,211.30

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Solution

The fourth proportional to 5,678,784.10, 8,518,176.15 and 5,268,211.30 is: 7,902,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,784.10 : 8,518,176.15 = 5,268,211.30 : x
  2. Step 2: Convert to fraction form
    5,678,784.10/8,518,176.15 = 5,268,211.30/x
  3. Step 3: Cross multiply
    5,678,784.10x = 8,518,176.15 × 5,268,211.30
  4. Step 4: Simplify right side
    5,678,784.10x = 44,875,551,848,820.49
  5. Step 5: Solve for x
    x = 44,875,551,848,820.49/5,678,784.10
  6. Step 6: Final answer
    x = 7,902,316.95

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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.