Home / 30,072,608.01-45,127,887.75-12,800,781.45

Finding the Fourth Proportional to 30,072,608.01, 45,127,887.75 and 12,800,781.45

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Solution

The fourth proportional to 30,072,608.01, 45,127,887.75 and 12,800,781.45 is: 19,209,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072,608.01 : 45,127,887.75 = 12,800,781.45 : x
  2. Step 2: Convert to fraction form
    30,072,608.01/45,127,887.75 = 12,800,781.45/x
  3. Step 3: Cross multiply
    30,072,608.01x = 45,127,887.75 × 12,800,781.45
  4. Step 4: Simplify right side
    30,072,608.01x = 577,672,228,387,882.25
  5. Step 5: Solve for x
    x = 577,672,228,387,882.25/30,072,608.01
  6. Step 6: Final answer
    x = 19,209,249.43

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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.