Home / 8,333,121.51-11,500,154.38-4,661,819.12

Finding the Fourth Proportional to 8,333,121.51, 11,500,154.38 and 4,661,819.12

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Solution

The fourth proportional to 8,333,121.51, 11,500,154.38 and 4,661,819.12 is: 6,433,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,121.51 : 11,500,154.38 = 4,661,819.12 : x
  2. Step 2: Convert to fraction form
    8,333,121.51/11,500,154.38 = 4,661,819.12/x
  3. Step 3: Cross multiply
    8,333,121.51x = 11,500,154.38 × 4,661,819.12
  4. Step 4: Simplify right side
    8,333,121.51x = 53,611,639,606,213.40
  5. Step 5: Solve for x
    x = 53,611,639,606,213.40/8,333,121.51
  6. Step 6: Final answer
    x = 6,433,560.29

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1.5x scale

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.