Home / 30,318,889.68-45,473,450.22-8,459,834.40

Finding the Fourth Proportional to 30,318,889.68, 45,473,450.22 and 8,459,834.40

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Solution

The fourth proportional to 30,318,889.68, 45,473,450.22 and 8,459,834.40 is: 12,688,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318,889.68 : 45,473,450.22 = 8,459,834.40 : x
  2. Step 2: Convert to fraction form
    30,318,889.68/45,473,450.22 = 8,459,834.40/x
  3. Step 3: Cross multiply
    30,318,889.68x = 45,473,450.22 × 8,459,834.40
  4. Step 4: Simplify right side
    30,318,889.68x = 384,697,858,457,843.56
  5. Step 5: Solve for x
    x = 384,697,858,457,843.56/30,318,889.68
  6. Step 6: Final answer
    x = 12,688,388.74

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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.