Finding the Fourth Proportional to 10,807,886.34, 14,912,911.35 and 6,161,473.62
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Solution
The fourth proportional to 10,807,886.34, 14,912,911.35 and 6,161,473.62 is: 8,501,709.49
Step by Step Solution
- Step 1: Write the proportion equation
10,807,886.34 : 14,912,911.35 = 6,161,473.62 : x - Step 2: Convert to fraction form
10,807,886.34/14,912,911.35 = 6,161,473.62/x - Step 3: Cross multiply
10,807,886.34x = 14,912,911.35 × 6,161,473.62 - Step 4: Simplify right side
10,807,886.34x = 91,885,509,880,423.59 - Step 5: Solve for x
x = 91,885,509,880,423.59/10,807,886.34 - Step 6: Final answer
x = 8,501,709.49
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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.