Home / 9,766,628.68-13,478,195.05-5,356,529.89

Finding the Fourth Proportional to 9,766,628.68, 13,478,195.05 and 5,356,529.89

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Solution

The fourth proportional to 9,766,628.68, 13,478,195.05 and 5,356,529.89 is: 7,392,146.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766,628.68 : 13,478,195.05 = 5,356,529.89 : x
  2. Step 2: Convert to fraction form
    9,766,628.68/13,478,195.05 = 5,356,529.89/x
  3. Step 3: Cross multiply
    9,766,628.68x = 13,478,195.05 × 5,356,529.89
  4. Step 4: Simplify right side
    9,766,628.68x = 72,196,354,621,792.39
  5. Step 5: Solve for x
    x = 72,196,354,621,792.39/9,766,628.68
  6. Step 6: Final answer
    x = 7,392,146.97

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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.