Home / 19,099,916.48-28,640,141.36-9,385,175

Finding the Fourth Proportional to 19,099,916.48, 28,640,141.36 and 9,385,175

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Solution

The fourth proportional to 19,099,916.48, 28,640,141.36 and 9,385,175 is: 14,072,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099,916.48 : 28,640,141.36 = 9,385,175 : x
  2. Step 2: Convert to fraction form
    19,099,916.48/28,640,141.36 = 9,385,175/x
  3. Step 3: Cross multiply
    19,099,916.48x = 28,640,141.36 × 9,385,175
  4. Step 4: Simplify right side
    19,099,916.48x = 268,792,738,688,338
  5. Step 5: Solve for x
    x = 268,792,738,688,338/19,099,916.48
  6. Step 6: Final answer
    x = 14,072,979.79

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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.