Home / 8,562,407.50-12,841,645.84-5,105,125.48

Finding the Fourth Proportional to 8,562,407.50, 12,841,645.84 and 5,105,125.48

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Solution

The fourth proportional to 8,562,407.50, 12,841,645.84 and 5,105,125.48 is: 7,656,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562,407.50 : 12,841,645.84 = 5,105,125.48 : x
  2. Step 2: Convert to fraction form
    8,562,407.50/12,841,645.84 = 5,105,125.48/x
  3. Step 3: Cross multiply
    8,562,407.50x = 12,841,645.84 × 5,105,125.48
  4. Step 4: Simplify right side
    8,562,407.50x = 65,558,213,382,920.01
  5. Step 5: Solve for x
    x = 65,558,213,382,920.01/8,562,407.50
  6. Step 6: Final answer
    x = 7,656,516.39

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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.