Home / 40,419,062.40-60,666,647.40-21,263,566.80

Finding the Fourth Proportional to 40,419,062.40, 60,666,647.40 and 21,263,566.80

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Solution

The fourth proportional to 40,419,062.40, 60,666,647.40 and 21,263,566.80 is: 31,915,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419,062.40 : 60,666,647.40 = 21,263,566.80 : x
  2. Step 2: Convert to fraction form
    40,419,062.40/60,666,647.40 = 21,263,566.80/x
  3. Step 3: Cross multiply
    40,419,062.40x = 60,666,647.40 × 21,263,566.80
  4. Step 4: Simplify right side
    40,419,062.40x = 1,289,989,309,521,946.25
  5. Step 5: Solve for x
    x = 1,289,989,309,521,946.25/40,419,062.40
  6. Step 6: Final answer
    x = 31,915,369.46

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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.