Finding the Fourth Proportional to 7,343,495.18, 10,134,266.32 and 4,035,906.65
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Solution
The fourth proportional to 7,343,495.18, 10,134,266.32 and 4,035,906.65 is: 5,569,684.71
Step by Step Solution
- Step 1: Write the proportion equation
7,343,495.18 : 10,134,266.32 = 4,035,906.65 : x - Step 2: Convert to fraction form
7,343,495.18/10,134,266.32 = 4,035,906.65/x - Step 3: Cross multiply
7,343,495.18x = 10,134,266.32 × 4,035,906.65 - Step 4: Simplify right side
7,343,495.18x = 40,900,952,805,550.41 - Step 5: Solve for x
x = 40,900,952,805,550.41/7,343,495.18 - Step 6: Final answer
x = 5,569,684.71
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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.