Home / 15,966,905.81-22,034,338.48-8,624,738.79

Finding the Fourth Proportional to 15,966,905.81, 22,034,338.48 and 8,624,738.79

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Solution

The fourth proportional to 15,966,905.81, 22,034,338.48 and 8,624,738.79 is: 11,902,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966,905.81 : 22,034,338.48 = 8,624,738.79 : x
  2. Step 2: Convert to fraction form
    15,966,905.81/22,034,338.48 = 8,624,738.79/x
  3. Step 3: Cross multiply
    15,966,905.81x = 22,034,338.48 × 8,624,738.79
  4. Step 4: Simplify right side
    15,966,905.81x = 190,040,413,800,445.62
  5. Step 5: Solve for x
    x = 190,040,413,800,445.62/15,966,905.81
  6. Step 6: Final answer
    x = 11,902,144.10

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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.