Home / 28,931,076.80-43,396,615.20-8,733,694.40

Finding the Fourth Proportional to 28,931,076.80, 43,396,615.20 and 8,733,694.40

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Solution

The fourth proportional to 28,931,076.80, 43,396,615.20 and 8,733,694.40 is: 13,100,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931,076.80 : 43,396,615.20 = 8,733,694.40 : x
  2. Step 2: Convert to fraction form
    28,931,076.80/43,396,615.20 = 8,733,694.40/x
  3. Step 3: Cross multiply
    28,931,076.80x = 43,396,615.20 × 8,733,694.40
  4. Step 4: Simplify right side
    28,931,076.80x = 379,012,775,151,194.94
  5. Step 5: Solve for x
    x = 379,012,775,151,194.94/28,931,076.80
  6. Step 6: Final answer
    x = 13,100,541.60

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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.