Finding the Fourth Proportional to 16,084,949.60, 22,189,832.88 and 14,251,278.08
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Solution
The fourth proportional to 16,084,949.60, 22,189,832.88 and 14,251,278.08 is: 19,660,209.50
Step by Step Solution
- Step 1: Write the proportion equation
16,084,949.60 : 22,189,832.88 = 14,251,278.08 : x - Step 2: Convert to fraction form
16,084,949.60/22,189,832.88 = 14,251,278.08/x - Step 3: Cross multiply
16,084,949.60x = 22,189,832.88 × 14,251,278.08 - Step 4: Simplify right side
16,084,949.60x = 316,233,478,921,607.25 - Step 5: Solve for x
x = 316,233,478,921,607.25/16,084,949.60 - Step 6: Final answer
x = 19,660,209.50
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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.