Home / 10,778,516.85-16,141,203.23-7,164,718.05

Finding the Fourth Proportional to 10,778,516.85, 16,141,203.23 and 7,164,718.05

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Solution

The fourth proportional to 10,778,516.85, 16,141,203.23 and 7,164,718.05 is: 10,729,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,516.85 : 16,141,203.23 = 7,164,718.05 : x
  2. Step 2: Convert to fraction form
    10,778,516.85/16,141,203.23 = 7,164,718.05/x
  3. Step 3: Cross multiply
    10,778,516.85x = 16,141,203.23 × 7,164,718.05
  4. Step 4: Simplify right side
    10,778,516.85x = 115,647,170,094,875.70
  5. Step 5: Solve for x
    x = 115,647,170,094,875.70/10,778,516.85
  6. Step 6: Final answer
    x = 10,729,414.05

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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.