Home / 28,446,696.38-39,256,440.18-15,393,955.16

Finding the Fourth Proportional to 28,446,696.38, 39,256,440.18 and 15,393,955.16

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Solution

The fourth proportional to 28,446,696.38, 39,256,440.18 and 15,393,955.16 is: 21,243,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,696.38 : 39,256,440.18 = 15,393,955.16 : x
  2. Step 2: Convert to fraction form
    28,446,696.38/39,256,440.18 = 15,393,955.16/x
  3. Step 3: Cross multiply
    28,446,696.38x = 39,256,440.18 × 15,393,955.16
  4. Step 4: Simplify right side
    28,446,696.38x = 604,311,879,872,142.38
  5. Step 5: Solve for x
    x = 604,311,879,872,142.38/28,446,696.38
  6. Step 6: Final answer
    x = 21,243,657.67

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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.