Finding the Fourth Proportional to 12,260,546.85, 16,918,681 and 7,298,724.99
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Solution
The fourth proportional to 12,260,546.85, 16,918,681 and 7,298,724.99 is: 10,071,720.40
Step by Step Solution
- Step 1: Write the proportion equation
12,260,546.85 : 16,918,681 = 7,298,724.99 : x - Step 2: Convert to fraction form
12,260,546.85/16,918,681 = 7,298,724.99/x - Step 3: Cross multiply
12,260,546.85x = 16,918,681 × 7,298,724.99 - Step 4: Simplify right side
12,260,546.85x = 123,484,799,812,538.19 - Step 5: Solve for x
x = 123,484,799,812,538.19/12,260,546.85 - Step 6: Final answer
x = 10,071,720.40
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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.