Home / 30,329,895.40-45,494,843.10-8,765,200.60

Finding the Fourth Proportional to 30,329,895.40, 45,494,843.10 and 8,765,200.60

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Solution

The fourth proportional to 30,329,895.40, 45,494,843.10 and 8,765,200.60 is: 13,147,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329,895.40 : 45,494,843.10 = 8,765,200.60 : x
  2. Step 2: Convert to fraction form
    30,329,895.40/45,494,843.10 = 8,765,200.60/x
  3. Step 3: Cross multiply
    30,329,895.40x = 45,494,843.10 × 8,765,200.60
  4. Step 4: Simplify right side
    30,329,895.40x = 398,771,426,037,025.88
  5. Step 5: Solve for x
    x = 398,771,426,037,025.88/30,329,895.40
  6. Step 6: Final answer
    x = 13,147,800.90

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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.