Finding the Fourth Proportional to 11,238,129.05, 15,508,618.16 and 6,081,490.67
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Solution
The fourth proportional to 11,238,129.05, 15,508,618.16 and 6,081,490.67 is: 8,392,457.16
Step by Step Solution
- Step 1: Write the proportion equation
11,238,129.05 : 15,508,618.16 = 6,081,490.67 : x - Step 2: Convert to fraction form
11,238,129.05/15,508,618.16 = 6,081,490.67/x - Step 3: Cross multiply
11,238,129.05x = 15,508,618.16 × 6,081,490.67 - Step 4: Simplify right side
11,238,129.05x = 94,315,516,536,682.02 - Step 5: Solve for x
x = 94,315,516,536,682.02/11,238,129.05 - Step 6: Final answer
x = 8,392,457.16
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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.