Home / 13,296,730.50-18,349,768.55-7,495,512.12

Finding the Fourth Proportional to 13,296,730.50, 18,349,768.55 and 7,495,512.12

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Solution

The fourth proportional to 13,296,730.50, 18,349,768.55 and 7,495,512.12 is: 10,343,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,730.50 : 18,349,768.55 = 7,495,512.12 : x
  2. Step 2: Convert to fraction form
    13,296,730.50/18,349,768.55 = 7,495,512.12/x
  3. Step 3: Cross multiply
    13,296,730.50x = 18,349,768.55 × 7,495,512.12
  4. Step 4: Simplify right side
    13,296,730.50x = 137,540,912,584,458.59
  5. Step 5: Solve for x
    x = 137,540,912,584,458.59/13,296,730.50
  6. Step 6: Final answer
    x = 10,343,964.83

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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.