Finding the Fourth Proportional to 7,445,457.66, 11,168,829.79 and 2,054,108.09
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Solution
The fourth proportional to 7,445,457.66, 11,168,829.79 and 2,054,108.09 is: 3,081,339.61
Step by Step Solution
- Step 1: Write the proportion equation
7,445,457.66 : 11,168,829.79 = 2,054,108.09 : x - Step 2: Convert to fraction form
7,445,457.66/11,168,829.79 = 2,054,108.09/x - Step 3: Cross multiply
7,445,457.66x = 11,168,829.79 × 2,054,108.09 - Step 4: Simplify right side
7,445,457.66x = 22,941,983,650,258.80 - Step 5: Solve for x
x = 22,941,983,650,258.80/7,445,457.66 - Step 6: Final answer
x = 3,081,339.61
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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.