Finding the Fourth Proportional to 30,995,587.68, 42,785,606.88 and 26,627,147.52
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Solution
The fourth proportional to 30,995,587.68, 42,785,606.88 and 26,627,147.52 is: 36,755,511.07
Step by Step Solution
- Step 1: Write the proportion equation
30,995,587.68 : 42,785,606.88 = 26,627,147.52 : x - Step 2: Convert to fraction form
30,995,587.68/42,785,606.88 = 26,627,147.52/x - Step 3: Cross multiply
30,995,587.68x = 42,785,606.88 × 26,627,147.52 - Step 4: Simplify right side
30,995,587.68x = 1,139,258,666,126,487 - Step 5: Solve for x
x = 1,139,258,666,126,487/30,995,587.68 - Step 6: Final answer
x = 36,755,511.07
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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.