Home / 39,355,905.36-54,313,582.32-21,714,721.50

Finding the Fourth Proportional to 39,355,905.36, 54,313,582.32 and 21,714,721.50

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Solution

The fourth proportional to 39,355,905.36, 54,313,582.32 and 21,714,721.50 is: 29,967,658.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,355,905.36 : 54,313,582.32 = 21,714,721.50 : x
  2. Step 2: Convert to fraction form
    39,355,905.36/54,313,582.32 = 21,714,721.50/x
  3. Step 3: Cross multiply
    39,355,905.36x = 54,313,582.32 × 21,714,721.50
  4. Step 4: Simplify right side
    39,355,905.36x = 1,179,404,313,746,124
  5. Step 5: Solve for x
    x = 1,179,404,313,746,124/39,355,905.36
  6. Step 6: Final answer
    x = 29,967,658.04

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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.