Finding the Fourth Proportional to 10,586,537.80, 15,880,565.70 and 4,432,326.46
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Solution
The fourth proportional to 10,586,537.80, 15,880,565.70 and 4,432,326.46 is: 6,648,807.47
Step by Step Solution
- Step 1: Write the proportion equation
10,586,537.80 : 15,880,565.70 = 4,432,326.46 : x - Step 2: Convert to fraction form
10,586,537.80/15,880,565.70 = 4,432,326.46/x - Step 3: Cross multiply
10,586,537.80x = 15,880,565.70 × 4,432,326.46 - Step 4: Simplify right side
10,586,537.80x = 70,387,851,580,499.03 - Step 5: Solve for x
x = 70,387,851,580,499.03/10,586,537.80 - Step 6: Final answer
x = 6,648,807.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.