Finding the Fourth Proportional to 40,766,399.10, 56,255,943.99 and 22,181,615.70
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Solution
The fourth proportional to 40,766,399.10, 56,255,943.99 and 22,181,615.70 is: 30,609,711.87
Step by Step Solution
- Step 1: Write the proportion equation
40,766,399.10 : 56,255,943.99 = 22,181,615.70 : x - Step 2: Convert to fraction form
40,766,399.10/56,255,943.99 = 22,181,615.70/x - Step 3: Cross multiply
40,766,399.10x = 56,255,943.99 × 22,181,615.70 - Step 4: Simplify right side
40,766,399.10x = 1,247,847,730,426,904.75 - Step 5: Solve for x
x = 1,247,847,730,426,904.75/40,766,399.10 - Step 6: Final answer
x = 30,609,711.87
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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.