Finding the Fourth Proportional to 11,224,122.68, 15,478,959.66 and 7,355,238.68
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Solution
The fourth proportional to 11,224,122.68, 15,478,959.66 and 7,355,238.68 is: 10,143,460.30
Step by Step Solution
- Step 1: Write the proportion equation
11,224,122.68 : 15,478,959.66 = 7,355,238.68 : x - Step 2: Convert to fraction form
11,224,122.68/15,478,959.66 = 7,355,238.68/x - Step 3: Cross multiply
11,224,122.68x = 15,478,959.66 × 7,355,238.68 - Step 4: Simplify right side
11,224,122.68x = 113,851,442,817,391.64 - Step 5: Solve for x
x = 113,851,442,817,391.64/11,224,122.68 - Step 6: Final answer
x = 10,143,460.30
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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.