Home / 5,678,823.60-8,518,235.40-5,214,337.20

Finding the Fourth Proportional to 5,678,823.60, 8,518,235.40 and 5,214,337.20

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Solution

The fourth proportional to 5,678,823.60, 8,518,235.40 and 5,214,337.20 is: 7,821,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,823.60 : 8,518,235.40 = 5,214,337.20 : x
  2. Step 2: Convert to fraction form
    5,678,823.60/8,518,235.40 = 5,214,337.20/x
  3. Step 3: Cross multiply
    5,678,823.60x = 8,518,235.40 × 5,214,337.20
  4. Step 4: Simplify right side
    5,678,823.60x = 44,416,951,724,576.88
  5. Step 5: Solve for x
    x = 44,416,951,724,576.88/5,678,823.60
  6. Step 6: Final answer
    x = 7,821,505.80

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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.