Finding the Fourth Proportional to 14,284,588.20, 19,712,874 and 7,758,345.12
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Solution
The fourth proportional to 14,284,588.20, 19,712,874 and 7,758,345.12 is: 10,706,593.54
Step by Step Solution
- Step 1: Write the proportion equation
14,284,588.20 : 19,712,874 = 7,758,345.12 : x - Step 2: Convert to fraction form
14,284,588.20/19,712,874 = 7,758,345.12/x - Step 3: Cross multiply
14,284,588.20x = 19,712,874 × 7,758,345.12 - Step 4: Simplify right side
14,284,588.20x = 152,939,279,799,074.88 - Step 5: Solve for x
x = 152,939,279,799,074.88/14,284,588.20 - Step 6: Final answer
x = 10,706,593.54
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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.