Finding the Fourth Proportional to 16,107,830.60, 22,228,809.84 and 8,864,486.60
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Solution
The fourth proportional to 16,107,830.60, 22,228,809.84 and 8,864,486.60 is: 12,232,993.49
Step by Step Solution
- Step 1: Write the proportion equation
16,107,830.60 : 22,228,809.84 = 8,864,486.60 : x - Step 2: Convert to fraction form
16,107,830.60/22,228,809.84 = 8,864,486.60/x - Step 3: Cross multiply
16,107,830.60x = 22,228,809.84 × 8,864,486.60 - Step 4: Simplify right side
16,107,830.60x = 197,046,986,849,484.09 - Step 5: Solve for x
x = 197,046,986,849,484.09/16,107,830.60 - Step 6: Final answer
x = 12,232,993.49
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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.