Home / 28,915,524.56-43,373,597.88-8,720,941.52

Finding the Fourth Proportional to 28,915,524.56, 43,373,597.88 and 8,720,941.52

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Solution

The fourth proportional to 28,915,524.56, 43,373,597.88 and 8,720,941.52 is: 13,081,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915,524.56 : 43,373,597.88 = 8,720,941.52 : x
  2. Step 2: Convert to fraction form
    28,915,524.56/43,373,597.88 = 8,720,941.52/x
  3. Step 3: Cross multiply
    28,915,524.56x = 43,373,597.88 × 8,720,941.52
  4. Step 4: Simplify right side
    28,915,524.56x = 378,258,610,623,476
  5. Step 5: Solve for x
    x = 378,258,610,623,476/28,915,524.56
  6. Step 6: Final answer
    x = 13,081,506.09

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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.