Home / 28,318,683.81-42,460,940.64-10,812,384.12

Finding the Fourth Proportional to 28,318,683.81, 42,460,940.64 and 10,812,384.12

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Solution

The fourth proportional to 28,318,683.81, 42,460,940.64 and 10,812,384.12 is: 16,212,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318,683.81 : 42,460,940.64 = 10,812,384.12 : x
  2. Step 2: Convert to fraction form
    28,318,683.81/42,460,940.64 = 10,812,384.12/x
  3. Step 3: Cross multiply
    28,318,683.81x = 42,460,940.64 × 10,812,384.12
  4. Step 4: Simplify right side
    28,318,683.81x = 459,104,000,296,198.62
  5. Step 5: Solve for x
    x = 459,104,000,296,198.62/28,318,683.81
  6. Step 6: Final answer
    x = 16,212,052.91

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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.