Home / 28,525,469.78-39,364,915.47-15,472,695.62

Finding the Fourth Proportional to 28,525,469.78, 39,364,915.47 and 15,472,695.62

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Solution

The fourth proportional to 28,525,469.78, 39,364,915.47 and 15,472,695.62 is: 21,352,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525,469.78 : 39,364,915.47 = 15,472,695.62 : x
  2. Step 2: Convert to fraction form
    28,525,469.78/39,364,915.47 = 15,472,695.62/x
  3. Step 3: Cross multiply
    28,525,469.78x = 39,364,915.47 × 15,472,695.62
  4. Step 4: Simplify right side
    28,525,469.78x = 609,081,355,174,339.25
  5. Step 5: Solve for x
    x = 609,081,355,174,339.25/28,525,469.78
  6. Step 6: Final answer
    x = 21,352,193.67

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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.