Finding the Fourth Proportional to 14,375,402.51, 19,838,331.68 and 7,849,290.62
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Solution
The fourth proportional to 14,375,402.51, 19,838,331.68 and 7,849,290.62 is: 10,832,171.88
Step by Step Solution
- Step 1: Write the proportion equation
14,375,402.51 : 19,838,331.68 = 7,849,290.62 : x - Step 2: Convert to fraction form
14,375,402.51/19,838,331.68 = 7,849,290.62/x - Step 3: Cross multiply
14,375,402.51x = 19,838,331.68 × 7,849,290.62 - Step 4: Simplify right side
14,375,402.51x = 155,716,830,782,622.22 - Step 5: Solve for x
x = 155,716,830,782,622.22/14,375,402.51 - Step 6: Final answer
x = 10,832,171.88
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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.