Home / 38,921,094.82-53,708,802.48-21,516,402.10

Finding the Fourth Proportional to 38,921,094.82, 53,708,802.48 and 21,516,402.10

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Solution

The fourth proportional to 38,921,094.82, 53,708,802.48 and 21,516,402.10 is: 29,691,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,921,094.82 : 53,708,802.48 = 21,516,402.10 : x
  2. Step 2: Convert to fraction form
    38,921,094.82/53,708,802.48 = 21,516,402.10/x
  3. Step 3: Cross multiply
    38,921,094.82x = 53,708,802.48 × 21,516,402.10
  4. Step 4: Simplify right side
    38,921,094.82x = 1,155,620,190,469,157.25
  5. Step 5: Solve for x
    x = 1,155,620,190,469,157.25/38,921,094.82
  6. Step 6: Final answer
    x = 29,691,358.78

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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.