Finding the Fourth Proportional to 10,351,459.33, 15,527,192.64 and 2,778,425.08
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Solution
The fourth proportional to 10,351,459.33, 15,527,192.64 and 2,778,425.08 is: 4,167,638.59
Step by Step Solution
- Step 1: Write the proportion equation
10,351,459.33 : 15,527,192.64 = 2,778,425.08 : x - Step 2: Convert to fraction form
10,351,459.33/15,527,192.64 = 2,778,425.08/x - Step 3: Cross multiply
10,351,459.33x = 15,527,192.64 × 2,778,425.08 - Step 4: Simplify right side
10,351,459.33x = 43,141,141,403,730.34 - Step 5: Solve for x
x = 43,141,141,403,730.34/10,351,459.33 - Step 6: Final answer
x = 4,167,638.59
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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.