Home / 30,687,756.07-45,995,028.34-14,270,879.28

Finding the Fourth Proportional to 30,687,756.07, 45,995,028.34 and 14,270,879.28

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Solution

The fourth proportional to 30,687,756.07, 45,995,028.34 and 14,270,879.28 is: 21,389,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687,756.07 : 45,995,028.34 = 14,270,879.28 : x
  2. Step 2: Convert to fraction form
    30,687,756.07/45,995,028.34 = 14,270,879.28/x
  3. Step 3: Cross multiply
    30,687,756.07x = 45,995,028.34 × 14,270,879.28
  4. Step 4: Simplify right side
    30,687,756.07x = 656,389,497,079,346.25
  5. Step 5: Solve for x
    x = 656,389,497,079,346.25/30,687,756.07
  6. Step 6: Final answer
    x = 21,389,295.96

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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.