Finding the Fourth Proportional to 43,219,728.84, 64,833,004.95 and 14,465,971.38
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Solution
The fourth proportional to 43,219,728.84, 64,833,004.95 and 14,465,971.38 is: 21,700,098.99
Step by Step Solution
- Step 1: Write the proportion equation
43,219,728.84 : 64,833,004.95 = 14,465,971.38 : x - Step 2: Convert to fraction form
43,219,728.84/64,833,004.95 = 14,465,971.38/x - Step 3: Cross multiply
43,219,728.84x = 64,833,004.95 × 14,465,971.38 - Step 4: Simplify right side
43,219,728.84x = 937,872,394,086,098.38 - Step 5: Solve for x
x = 937,872,394,086,098.38/43,219,728.84 - Step 6: Final answer
x = 21,700,098.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.