Home / 10,109,941.40-15,164,912.10-2,921,709.80

Finding the Fourth Proportional to 10,109,941.40, 15,164,912.10 and 2,921,709.80

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Solution

The fourth proportional to 10,109,941.40, 15,164,912.10 and 2,921,709.80 is: 4,382,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,941.40 : 15,164,912.10 = 2,921,709.80 : x
  2. Step 2: Convert to fraction form
    10,109,941.40/15,164,912.10 = 2,921,709.80/x
  3. Step 3: Cross multiply
    10,109,941.40x = 15,164,912.10 × 2,921,709.80
  4. Step 4: Simplify right side
    10,109,941.40x = 44,307,472,298,708.58
  5. Step 5: Solve for x
    x = 44,307,472,298,708.58/10,109,941.40
  6. Step 6: Final answer
    x = 4,382,564.70

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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.