Finding the Fourth Proportional to 51,884,742.94, 71,600,960.95 and 28,363,381.98
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Solution
The fourth proportional to 51,884,742.94, 71,600,960.95 and 28,363,381.98 is: 39,141,475.71
Step by Step Solution
- Step 1: Write the proportion equation
51,884,742.94 : 71,600,960.95 = 28,363,381.98 : x - Step 2: Convert to fraction form
51,884,742.94/71,600,960.95 = 28,363,381.98/x - Step 3: Cross multiply
51,884,742.94x = 71,600,960.95 × 28,363,381.98 - Step 4: Simplify right side
51,884,742.94x = 2,030,845,405,559,913.75 - Step 5: Solve for x
x = 2,030,845,405,559,913.75/51,884,742.94 - Step 6: Final answer
x = 39,141,475.71
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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.