Home / 16,821,264.40-25,243,706.40-7,243,516.60

Finding the Fourth Proportional to 16,821,264.40, 25,243,706.40 and 7,243,516.60

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Solution

The fourth proportional to 16,821,264.40, 25,243,706.40 and 7,243,516.60 is: 10,870,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,264.40 : 25,243,706.40 = 7,243,516.60 : x
  2. Step 2: Convert to fraction form
    16,821,264.40/25,243,706.40 = 7,243,516.60/x
  3. Step 3: Cross multiply
    16,821,264.40x = 25,243,706.40 × 7,243,516.60
  4. Step 4: Simplify right side
    16,821,264.40x = 182,853,206,353,926.22
  5. Step 5: Solve for x
    x = 182,853,206,353,926.22/16,821,264.40
  6. Step 6: Final answer
    x = 10,870,360.40

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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.