Home / 39,345,513.84-54,296,703.54-21,941,878.68

Finding the Fourth Proportional to 39,345,513.84, 54,296,703.54 and 21,941,878.68

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Solution

The fourth proportional to 39,345,513.84, 54,296,703.54 and 21,941,878.68 is: 30,279,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,345,513.84 : 54,296,703.54 = 21,941,878.68 : x
  2. Step 2: Convert to fraction form
    39,345,513.84/54,296,703.54 = 21,941,878.68/x
  3. Step 3: Cross multiply
    39,345,513.84x = 54,296,703.54 × 21,941,878.68
  4. Step 4: Simplify right side
    39,345,513.84x = 1,191,371,681,798,606.50
  5. Step 5: Solve for x
    x = 1,191,371,681,798,606.50/39,345,513.84
  6. Step 6: Final answer
    x = 30,279,733.71

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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.