Finding the Fourth Proportional to 39,935,848.86, 55,106,729.19 and 22,531,177.98
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Solution
The fourth proportional to 39,935,848.86, 55,106,729.19 and 22,531,177.98 is: 31,090,350.12
Step by Step Solution
- Step 1: Write the proportion equation
39,935,848.86 : 55,106,729.19 = 22,531,177.98 : x - Step 2: Convert to fraction form
39,935,848.86/55,106,729.19 = 22,531,177.98/x - Step 3: Cross multiply
39,935,848.86x = 55,106,729.19 × 22,531,177.98 - Step 4: Simplify right side
39,935,848.86x = 1,241,619,523,275,551.25 - Step 5: Solve for x
x = 1,241,619,523,275,551.25/39,935,848.86 - Step 6: Final answer
x = 31,090,350.12
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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.