Finding the Fourth Proportional to 10,391,688.25, 14,340,281.99 and 5,808,436.09
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Solution
The fourth proportional to 10,391,688.25, 14,340,281.99 and 5,808,436.09 is: 8,015,503.29
Step by Step Solution
- Step 1: Write the proportion equation
10,391,688.25 : 14,340,281.99 = 5,808,436.09 : x - Step 2: Convert to fraction form
10,391,688.25/14,340,281.99 = 5,808,436.09/x - Step 3: Cross multiply
10,391,688.25x = 14,340,281.99 × 5,808,436.09 - Step 4: Simplify right side
10,391,688.25x = 83,294,611,386,600.14 - Step 5: Solve for x
x = 83,294,611,386,600.14/10,391,688.25 - Step 6: Final answer
x = 8,015,503.29
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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.