Finding the Fourth Proportional to 29,121,320.92, 40,187,106.84 and 16,069,129.96
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Solution
The fourth proportional to 29,121,320.92, 40,187,106.84 and 16,069,129.96 is: 22,175,224.96
Step by Step Solution
- Step 1: Write the proportion equation
29,121,320.92 : 40,187,106.84 = 16,069,129.96 : x - Step 2: Convert to fraction form
29,121,320.92/40,187,106.84 = 16,069,129.96/x - Step 3: Cross multiply
29,121,320.92x = 40,187,106.84 × 16,069,129.96 - Step 4: Simplify right side
29,121,320.92x = 645,771,842,528,365 - Step 5: Solve for x
x = 645,771,842,528,365/29,121,320.92 - Step 6: Final answer
x = 22,175,224.96
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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.