Finding the Fourth Proportional to 11,458,001.76, 15,811,726.68 and 6,301,363.20
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Solution
The fourth proportional to 11,458,001.76, 15,811,726.68 and 6,301,363.20 is: 8,695,707.57
Step by Step Solution
- Step 1: Write the proportion equation
11,458,001.76 : 15,811,726.68 = 6,301,363.20 : x - Step 2: Convert to fraction form
11,458,001.76/15,811,726.68 = 6,301,363.20/x - Step 3: Cross multiply
11,458,001.76x = 15,811,726.68 × 6,301,363.20 - Step 4: Simplify right side
11,458,001.76x = 99,635,432,629,810.17 - Step 5: Solve for x
x = 99,635,432,629,810.17/11,458,001.76 - Step 6: Final answer
x = 8,695,707.57
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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.