Finding the Fourth Proportional to 8,721,143.41, 12,035,177.94 and 4,854,577.99
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Solution
The fourth proportional to 8,721,143.41, 12,035,177.94 and 4,854,577.99 is: 6,699,317.64
Step by Step Solution
- Step 1: Write the proportion equation
8,721,143.41 : 12,035,177.94 = 4,854,577.99 : x - Step 2: Convert to fraction form
8,721,143.41/12,035,177.94 = 4,854,577.99/x - Step 3: Cross multiply
8,721,143.41x = 12,035,177.94 × 4,854,577.99 - Step 4: Simplify right side
8,721,143.41x = 58,425,709,910,091.28 - Step 5: Solve for x
x = 58,425,709,910,091.28/8,721,143.41 - Step 6: Final answer
x = 6,699,317.64
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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.