Home / 39,678,981.37-54,753,971.09-22,271,963.51

Finding the Fourth Proportional to 39,678,981.37, 54,753,971.09 and 22,271,963.51

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Solution

The fourth proportional to 39,678,981.37, 54,753,971.09 and 22,271,963.51 is: 30,733,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678,981.37 : 54,753,971.09 = 22,271,963.51 : x
  2. Step 2: Convert to fraction form
    39,678,981.37/54,753,971.09 = 22,271,963.51/x
  3. Step 3: Cross multiply
    39,678,981.37x = 54,753,971.09 × 22,271,963.51
  4. Step 4: Simplify right side
    39,678,981.37x = 1,219,478,446,169,600
  5. Step 5: Solve for x
    x = 1,219,478,446,169,600/39,678,981.37
  6. Step 6: Final answer
    x = 30,733,612.71

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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.