Finding the Fourth Proportional to 7,921,508.06, 10,931,615.79 and 4,483,719.02
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Solution
The fourth proportional to 7,921,508.06, 10,931,615.79 and 4,483,719.02 is: 6,187,495.27
Step by Step Solution
- Step 1: Write the proportion equation
7,921,508.06 : 10,931,615.79 = 4,483,719.02 : x - Step 2: Convert to fraction form
7,921,508.06/10,931,615.79 = 4,483,719.02/x - Step 3: Cross multiply
7,921,508.06x = 10,931,615.79 × 4,483,719.02 - Step 4: Simplify right side
7,921,508.06x = 49,014,293,582,297.24 - Step 5: Solve for x
x = 49,014,293,582,297.24/7,921,508.06 - Step 6: Final answer
x = 6,187,495.27
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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.