Finding the Fourth Proportional to 44,611,576.20, 66,920,562.78 and 18,677,780.28
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Solution
The fourth proportional to 44,611,576.20, 66,920,562.78 and 18,677,780.28 is: 28,018,009.55
Step by Step Solution
- Step 1: Write the proportion equation
44,611,576.20 : 66,920,562.78 = 18,677,780.28 : x - Step 2: Convert to fraction form
44,611,576.20/66,920,562.78 = 18,677,780.28/x - Step 3: Cross multiply
44,611,576.20x = 66,920,562.78 × 18,677,780.28 - Step 4: Simplify right side
44,611,576.20x = 1,249,927,567,818,786 - Step 5: Solve for x
x = 1,249,927,567,818,786/44,611,576.20 - Step 6: Final answer
x = 28,018,009.55
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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.