Home / 20,441,387.05-30,662,080.61-8,308,007.77

Finding the Fourth Proportional to 20,441,387.05, 30,662,080.61 and 8,308,007.77

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Solution

The fourth proportional to 20,441,387.05, 30,662,080.61 and 8,308,007.77 is: 12,462,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441,387.05 : 30,662,080.61 = 8,308,007.77 : x
  2. Step 2: Convert to fraction form
    20,441,387.05/30,662,080.61 = 8,308,007.77/x
  3. Step 3: Cross multiply
    20,441,387.05x = 30,662,080.61 × 8,308,007.77
  4. Step 4: Simplify right side
    20,441,387.05x = 254,740,803,952,246.31
  5. Step 5: Solve for x
    x = 254,740,803,952,246.31/20,441,387.05
  6. Step 6: Final answer
    x = 12,462,011.67

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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.