Finding the Fourth Proportional to 16,521,965.70, 24,773,325.57 and 6,412,776.90
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Solution
The fourth proportional to 16,521,965.70, 24,773,325.57 and 6,412,776.90 is: 9,615,430.32
Step by Step Solution
- Step 1: Write the proportion equation
16,521,965.70 : 24,773,325.57 = 6,412,776.90 : x - Step 2: Convert to fraction form
16,521,965.70/24,773,325.57 = 6,412,776.90/x - Step 3: Cross multiply
16,521,965.70x = 24,773,325.57 × 6,412,776.90 - Step 4: Simplify right side
16,521,965.70x = 158,865,809,951,475.34 - Step 5: Solve for x
x = 158,865,809,951,475.34/16,521,965.70 - Step 6: Final answer
x = 9,615,430.32
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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.