Home / 15,780,512.80-23,652,106.80-8,203,578.40

Finding the Fourth Proportional to 15,780,512.80, 23,652,106.80 and 8,203,578.40

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Solution

The fourth proportional to 15,780,512.80, 23,652,106.80 and 8,203,578.40 is: 12,295,665.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780,512.80 : 23,652,106.80 = 8,203,578.40 : x
  2. Step 2: Convert to fraction form
    15,780,512.80/23,652,106.80 = 8,203,578.40/x
  3. Step 3: Cross multiply
    15,780,512.80x = 23,652,106.80 × 8,203,578.40
  4. Step 4: Simplify right side
    15,780,512.80x = 194,031,912,458,973.12
  5. Step 5: Solve for x
    x = 194,031,912,458,973.12/15,780,512.80
  6. Step 6: Final answer
    x = 12,295,665.86

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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.