Finding the Fourth Proportional to 29,278,069.52, 40,403,841.05 and 16,225,550.51
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Solution
The fourth proportional to 29,278,069.52, 40,403,841.05 and 16,225,550.51 is: 22,391,317.95
Step by Step Solution
- Step 1: Write the proportion equation
29,278,069.52 : 40,403,841.05 = 16,225,550.51 : x - Step 2: Convert to fraction form
29,278,069.52/40,403,841.05 = 16,225,550.51/x - Step 3: Cross multiply
29,278,069.52x = 40,403,841.05 × 16,225,550.51 - Step 4: Simplify right side
29,278,069.52x = 655,574,563,593,331.12 - Step 5: Solve for x
x = 655,574,563,593,331.12/29,278,069.52 - Step 6: Final answer
x = 22,391,317.95
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1.5x scale
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.