Finding the Fourth Proportional to 19,991,279.34, 29,986,919 and 4,845,210.84
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Solution
The fourth proportional to 19,991,279.34, 29,986,919 and 4,845,210.84 is: 7,267,816.26
Step by Step Solution
- Step 1: Write the proportion equation
19,991,279.34 : 29,986,919 = 4,845,210.84 : x - Step 2: Convert to fraction form
19,991,279.34/29,986,919 = 4,845,210.84/x - Step 3: Cross multiply
19,991,279.34x = 29,986,919 × 4,845,210.84 - Step 4: Simplify right side
19,991,279.34x = 145,292,944,997,001.97 - Step 5: Solve for x
x = 145,292,944,997,001.97/19,991,279.34 - Step 6: Final answer
x = 7,267,816.26
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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.