Finding the Fourth Proportional to 15,238,473.98, 22,857,646.50 and 5,520,808.58
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Solution
The fourth proportional to 15,238,473.98, 22,857,646.50 and 5,520,808.58 is: 8,281,189.51
Step by Step Solution
- Step 1: Write the proportion equation
15,238,473.98 : 22,857,646.50 = 5,520,808.58 : x - Step 2: Convert to fraction form
15,238,473.98/22,857,646.50 = 5,520,808.58/x - Step 3: Cross multiply
15,238,473.98x = 22,857,646.50 × 5,520,808.58 - Step 4: Simplify right side
15,238,473.98x = 126,192,690,801,518.73 - Step 5: Solve for x
x = 126,192,690,801,518.73/15,238,473.98 - Step 6: Final answer
x = 8,281,189.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.