Finding the Fourth Proportional to 28,303,660.36, 42,455,257.26 and 8,108,921.80
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Solution
The fourth proportional to 28,303,660.36, 42,455,257.26 and 8,108,921.80 is: 12,163,315.87
Step by Step Solution
- Step 1: Write the proportion equation
28,303,660.36 : 42,455,257.26 = 8,108,921.80 : x - Step 2: Convert to fraction form
28,303,660.36/42,455,257.26 = 8,108,921.80/x - Step 3: Cross multiply
28,303,660.36x = 42,455,257.26 × 8,108,921.80 - Step 4: Simplify right side
28,303,660.36x = 344,266,361,120,222.25 - Step 5: Solve for x
x = 344,266,361,120,222.25/28,303,660.36 - Step 6: Final answer
x = 12,163,315.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.