Finding the Fourth Proportional to 29,181,154.05, 40,272,077.61 and 16,128,132.03
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Solution
The fourth proportional to 29,181,154.05, 40,272,077.61 and 16,128,132.03 is: 22,257,974.57
Step by Step Solution
- Step 1: Write the proportion equation
29,181,154.05 : 40,272,077.61 = 16,128,132.03 : x - Step 2: Convert to fraction form
29,181,154.05/40,272,077.61 = 16,128,132.03/x - Step 3: Cross multiply
29,181,154.05x = 40,272,077.61 × 16,128,132.03 - Step 4: Simplify right side
29,181,154.05x = 649,513,384,816,486.75 - Step 5: Solve for x
x = 649,513,384,816,486.75/29,181,154.05 - Step 6: Final answer
x = 22,257,974.57
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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.