Finding the Fourth Proportional to 13,605,216.85, 18,774,490.66 and 8,448,468.49
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Solution
The fourth proportional to 13,605,216.85, 18,774,490.66 and 8,448,468.49 is: 11,658,446.50
Step by Step Solution
- Step 1: Write the proportion equation
13,605,216.85 : 18,774,490.66 = 8,448,468.49 : x - Step 2: Convert to fraction form
13,605,216.85/18,774,490.66 = 8,448,468.49/x - Step 3: Cross multiply
13,605,216.85x = 18,774,490.66 × 8,448,468.49 - Step 4: Simplify right side
13,605,216.85x = 158,615,692,756,809.31 - Step 5: Solve for x
x = 158,615,692,756,809.31/13,605,216.85 - Step 6: Final answer
x = 11,658,446.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.