Finding the Fourth Proportional to 10,615,034.08, 15,899,212.16 and 8,772,517.36
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Solution
The fourth proportional to 10,615,034.08, 15,899,212.16 and 8,772,517.36 is: 13,139,488.17
Step by Step Solution
- Step 1: Write the proportion equation
10,615,034.08 : 15,899,212.16 = 8,772,517.36 : x - Step 2: Convert to fraction form
10,615,034.08/15,899,212.16 = 8,772,517.36/x - Step 3: Cross multiply
10,615,034.08x = 15,899,212.16 × 8,772,517.36 - Step 4: Simplify right side
10,615,034.08x = 139,476,114,683,923.09 - Step 5: Solve for x
x = 139,476,114,683,923.09/10,615,034.08 - Step 6: Final answer
x = 13,139,488.17
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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.