Finding the Fourth Proportional to 16,057,756.47, 22,159,647.79 and 8,715,589.21
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Solution
The fourth proportional to 16,057,756.47, 22,159,647.79 and 8,715,589.21 is: 12,027,482.64
Step by Step Solution
- Step 1: Write the proportion equation
16,057,756.47 : 22,159,647.79 = 8,715,589.21 : x - Step 2: Convert to fraction form
16,057,756.47/22,159,647.79 = 8,715,589.21/x - Step 3: Cross multiply
16,057,756.47x = 22,159,647.79 × 8,715,589.21 - Step 4: Simplify right side
16,057,756.47x = 193,134,387,175,924.34 - Step 5: Solve for x
x = 193,134,387,175,924.34/16,057,756.47 - Step 6: Final answer
x = 12,027,482.64
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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.