Finding the Fourth Proportional to 10,306,783.80, 15,456,239.10 and 3,115,927.80
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Solution
The fourth proportional to 10,306,783.80, 15,456,239.10 and 3,115,927.80 is: 4,672,701.59
Step by Step Solution
- Step 1: Write the proportion equation
10,306,783.80 : 15,456,239.10 = 3,115,927.80 : x - Step 2: Convert to fraction form
10,306,783.80/15,456,239.10 = 3,115,927.80/x - Step 3: Cross multiply
10,306,783.80x = 15,456,239.10 × 3,115,927.80 - Step 4: Simplify right side
10,306,783.80x = 48,160,525,095,136.98 - Step 5: Solve for x
x = 48,160,525,095,136.98/10,306,783.80 - Step 6: Final answer
x = 4,672,701.59
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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.