Home / 15,175,004,039.88-20,940,675,929.30-8,307,072,059.53

Finding the Fourth Proportional to 15,175,004,039.88, 20,940,675,929.30 and 8,307,072,059.53

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Solution

The fourth proportional to 15,175,004,039.88, 20,940,675,929.30 and 8,307,072,059.53 is: 11,463,305,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175,004,039.88 : 20,940,675,929.30 = 8,307,072,059.53 : x
  2. Step 2: Convert to fraction form
    15,175,004,039.88/20,940,675,929.30 = 8,307,072,059.53/x
  3. Step 3: Cross multiply
    15,175,004,039.88x = 20,940,675,929.30 × 8,307,072,059.53
  4. Step 4: Simplify right side
    15,175,004,039.88x = 173,955,703,919,855,730,688
  5. Step 5: Solve for x
    x = 173,955,703,919,855,730,688/15,175,004,039.88
  6. Step 6: Final answer
    x = 11,463,305,279.04

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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.