Finding the Fourth Proportional to 52,665,621.09, 72,681,382.13 and 29,459,364.09
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Solution
The fourth proportional to 52,665,621.09, 72,681,382.13 and 29,459,364.09 is: 40,655,502.67
Step by Step Solution
- Step 1: Write the proportion equation
52,665,621.09 : 72,681,382.13 = 29,459,364.09 : x - Step 2: Convert to fraction form
52,665,621.09/72,681,382.13 = 29,459,364.09/x - Step 3: Cross multiply
52,665,621.09x = 72,681,382.13 × 29,459,364.09 - Step 4: Simplify right side
52,665,621.09x = 2,141,147,298,584,793 - Step 5: Solve for x
x = 2,141,147,298,584,793/52,665,621.09 - Step 6: Final answer
x = 40,655,502.67
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.