Home / 36,150,009.40-54,207,906.90-21,008,582.20

Finding the Fourth Proportional to 36,150,009.40, 54,207,906.90 and 21,008,582.20

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Solution

The fourth proportional to 36,150,009.40, 54,207,906.90 and 21,008,582.20 is: 31,502,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,150,009.40 : 54,207,906.90 = 21,008,582.20 : x
  2. Step 2: Convert to fraction form
    36,150,009.40/54,207,906.90 = 21,008,582.20/x
  3. Step 3: Cross multiply
    36,150,009.40x = 54,207,906.90 × 21,008,582.20
  4. Step 4: Simplify right side
    36,150,009.40x = 1,138,831,267,998,597
  5. Step 5: Solve for x
    x = 1,138,831,267,998,597/36,150,009.40
  6. Step 6: Final answer
    x = 31,502,931.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.