Finding the Fourth Proportional to 13,149,609, 18,146,484.98 and 7,348,390.71
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Solution
The fourth proportional to 13,149,609, 18,146,484.98 and 7,348,390.71 is: 10,140,792.90
Step by Step Solution
- Step 1: Write the proportion equation
13,149,609 : 18,146,484.98 = 7,348,390.71 : x - Step 2: Convert to fraction form
13,149,609/18,146,484.98 = 7,348,390.71/x - Step 3: Cross multiply
13,149,609x = 18,146,484.98 × 7,348,390.71 - Step 4: Simplify right side
13,149,609x = 133,347,461,646,186.53 - Step 5: Solve for x
x = 133,347,461,646,186.53/13,149,609 - Step 6: Final answer
x = 10,140,792.90
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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.