Home / 8,140,007.80-12,210,011.70-2,461,108.60

Finding the Fourth Proportional to 8,140,007.80, 12,210,011.70 and 2,461,108.60

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Solution

The fourth proportional to 8,140,007.80, 12,210,011.70 and 2,461,108.60 is: 3,691,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140,007.80 : 12,210,011.70 = 2,461,108.60 : x
  2. Step 2: Convert to fraction form
    8,140,007.80/12,210,011.70 = 2,461,108.60/x
  3. Step 3: Cross multiply
    8,140,007.80x = 12,210,011.70 × 2,461,108.60
  4. Step 4: Simplify right side
    8,140,007.80x = 30,050,164,800,970.62
  5. Step 5: Solve for x
    x = 30,050,164,800,970.62/8,140,007.80
  6. Step 6: Final answer
    x = 3,691,662.90

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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.