Home / 39,478,944.02-54,476,748.45-21,835,042.83

Finding the Fourth Proportional to 39,478,944.02, 54,476,748.45 and 21,835,042.83

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Solution

The fourth proportional to 39,478,944.02, 54,476,748.45 and 21,835,042.83 is: 30,130,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,478,944.02 : 54,476,748.45 = 21,835,042.83 : x
  2. Step 2: Convert to fraction form
    39,478,944.02/54,476,748.45 = 21,835,042.83/x
  3. Step 3: Cross multiply
    39,478,944.02x = 54,476,748.45 × 21,835,042.83
  4. Step 4: Simplify right side
    39,478,944.02x = 1,189,502,135,644,886
  5. Step 5: Solve for x
    x = 1,189,502,135,644,886/39,478,944.02
  6. Step 6: Final answer
    x = 30,130,039.32

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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.