Finding the Fourth Proportional to 31,925,871.63, 47,893,965.66 and 13,484,588.94
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Solution
The fourth proportional to 31,925,871.63, 47,893,965.66 and 13,484,588.94 is: 20,229,062.09
Step by Step Solution
- Step 1: Write the proportion equation
31,925,871.63 : 47,893,965.66 = 13,484,588.94 : x - Step 2: Convert to fraction form
31,925,871.63/47,893,965.66 = 13,484,588.94/x - Step 3: Cross multiply
31,925,871.63x = 47,893,965.66 × 13,484,588.94 - Step 4: Simplify right side
31,925,871.63x = 645,830,439,631,575.75 - Step 5: Solve for x
x = 645,830,439,631,575.75/31,925,871.63 - Step 6: Final answer
x = 20,229,062.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.