Finding the Fourth Proportional to 30,442,970.83, 45,672,076.74 and 8,877,574.99
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Solution
The fourth proportional to 30,442,970.83, 45,672,076.74 and 8,877,574.99 is: 13,318,584.72
Step by Step Solution
- Step 1: Write the proportion equation
30,442,970.83 : 45,672,076.74 = 8,877,574.99 : x - Step 2: Convert to fraction form
30,442,970.83/45,672,076.74 = 8,877,574.99/x - Step 3: Cross multiply
30,442,970.83x = 45,672,076.74 × 8,877,574.99 - Step 4: Simplify right side
30,442,970.83x = 405,457,286,208,384.75 - Step 5: Solve for x
x = 405,457,286,208,384.75/30,442,970.83 - Step 6: Final answer
x = 13,318,584.72
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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.