Finding the Fourth Proportional to 39,444,772.86, 54,432,742.19 and 22,041,261.09
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Solution
The fourth proportional to 39,444,772.86, 54,432,742.19 and 22,041,261.09 is: 30,416,356.73
Step by Step Solution
- Step 1: Write the proportion equation
39,444,772.86 : 54,432,742.19 = 22,041,261.09 : x - Step 2: Convert to fraction form
39,444,772.86/54,432,742.19 = 22,041,261.09/x - Step 3: Cross multiply
39,444,772.86x = 54,432,742.19 × 22,041,261.09 - Step 4: Simplify right side
39,444,772.86x = 1,199,766,282,344,242.25 - Step 5: Solve for x
x = 1,199,766,282,344,242.25/39,444,772.86 - Step 6: Final answer
x = 30,416,356.73
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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.