Home / 10,109,940.70-15,164,911.05-2,921,709.10

Finding the Fourth Proportional to 10,109,940.70, 15,164,911.05 and 2,921,709.10

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Solution

The fourth proportional to 10,109,940.70, 15,164,911.05 and 2,921,709.10 is: 4,382,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,940.70 : 15,164,911.05 = 2,921,709.10 : x
  2. Step 2: Convert to fraction form
    10,109,940.70/15,164,911.05 = 2,921,709.10/x
  3. Step 3: Cross multiply
    10,109,940.70x = 15,164,911.05 × 2,921,709.10
  4. Step 4: Simplify right side
    10,109,940.70x = 44,307,458,615,475.55
  5. Step 5: Solve for x
    x = 44,307,458,615,475.55/10,109,940.70
  6. Step 6: Final answer
    x = 4,382,563.65

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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.