Finding the Fourth Proportional to 29,369,842.57, 40,531,057.79 and 16,139,842.02
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Solution
The fourth proportional to 29,369,842.57, 40,531,057.79 and 16,139,842.02 is: 22,273,352.95
Step by Step Solution
- Step 1: Write the proportion equation
29,369,842.57 : 40,531,057.79 = 16,139,842.02 : x - Step 2: Convert to fraction form
29,369,842.57/40,531,057.79 = 16,139,842.02/x - Step 3: Cross multiply
29,369,842.57x = 40,531,057.79 × 16,139,842.02 - Step 4: Simplify right side
29,369,842.57x = 654,164,869,634,090.25 - Step 5: Solve for x
x = 654,164,869,634,090.25/29,369,842.57 - Step 6: Final answer
x = 22,273,352.95
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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.