Finding the Fourth Proportional to 29,181,280.86, 40,272,251.49 and 16,128,259.38
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Solution
The fourth proportional to 29,181,280.86, 40,272,251.49 and 16,128,259.38 is: 22,258,149.70
Step by Step Solution
- Step 1: Write the proportion equation
29,181,280.86 : 40,272,251.49 = 16,128,259.38 : x - Step 2: Convert to fraction form
29,181,280.86/40,272,251.49 = 16,128,259.38/x - Step 3: Cross multiply
29,181,280.86x = 40,272,251.49 × 16,128,259.38 - Step 4: Simplify right side
29,181,280.86x = 649,521,317,847,311.50 - Step 5: Solve for x
x = 649,521,317,847,311.50/29,181,280.86 - Step 6: Final answer
x = 22,258,149.70
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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.