Home / 35,737,378.27-53,470,792.92-21,172,117.45

Finding the Fourth Proportional to 35,737,378.27, 53,470,792.92 and 21,172,117.45

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Solution

The fourth proportional to 35,737,378.27, 53,470,792.92 and 21,172,117.45 is: 31,678,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,737,378.27 : 53,470,792.92 = 21,172,117.45 : x
  2. Step 2: Convert to fraction form
    35,737,378.27/53,470,792.92 = 21,172,117.45/x
  3. Step 3: Cross multiply
    35,737,378.27x = 53,470,792.92 × 21,172,117.45
  4. Step 4: Simplify right side
    35,737,378.27x = 1,132,089,907,846,868.50
  5. Step 5: Solve for x
    x = 1,132,089,907,846,868.50/35,737,378.27
  6. Step 6: Final answer
    x = 31,678,034.67

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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.