Home / 18,959,225.81-26,190,516.20-15,086,792.39

Finding the Fourth Proportional to 18,959,225.81, 26,190,516.20 and 15,086,792.39

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Solution

The fourth proportional to 18,959,225.81, 26,190,516.20 and 15,086,792.39 is: 20,841,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959,225.81 : 26,190,516.20 = 15,086,792.39 : x
  2. Step 2: Convert to fraction form
    18,959,225.81/26,190,516.20 = 15,086,792.39/x
  3. Step 3: Cross multiply
    18,959,225.81x = 26,190,516.20 × 15,086,792.39
  4. Step 4: Simplify right side
    18,959,225.81x = 395,130,880,289,945.19
  5. Step 5: Solve for x
    x = 395,130,880,289,945.19/18,959,225.81
  6. Step 6: Final answer
    x = 20,841,087.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.