Home / 30,329,675.40-45,494,513.10-8,764,980.60

Finding the Fourth Proportional to 30,329,675.40, 45,494,513.10 and 8,764,980.60

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Solution

The fourth proportional to 30,329,675.40, 45,494,513.10 and 8,764,980.60 is: 13,147,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329,675.40 : 45,494,513.10 = 8,764,980.60 : x
  2. Step 2: Convert to fraction form
    30,329,675.40/45,494,513.10 = 8,764,980.60/x
  3. Step 3: Cross multiply
    30,329,675.40x = 45,494,513.10 × 8,764,980.60
  4. Step 4: Simplify right side
    30,329,675.40x = 398,758,524,727,945.88
  5. Step 5: Solve for x
    x = 398,758,524,727,945.88/30,329,675.40
  6. Step 6: Final answer
    x = 13,147,470.90

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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.