Finding the Fourth Proportional to 29,275,656.48, 40,400,645.06 and 16,223,133.32
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Solution
The fourth proportional to 29,275,656.48, 40,400,645.06 and 16,223,133.32 is: 22,388,056.49
Step by Step Solution
- Step 1: Write the proportion equation
29,275,656.48 : 40,400,645.06 = 16,223,133.32 : x - Step 2: Convert to fraction form
29,275,656.48/40,400,645.06 = 16,223,133.32/x - Step 3: Cross multiply
29,275,656.48x = 40,400,645.06 × 16,223,133.32 - Step 4: Simplify right side
29,275,656.48x = 655,425,051,022,379.50 - Step 5: Solve for x
x = 655,425,051,022,379.50/29,275,656.48 - Step 6: Final answer
x = 22,388,056.49
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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.