Finding the Fourth Proportional to 10,326,473.70, 15,461,716.95 and 8,086,985.70
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Solution
The fourth proportional to 10,326,473.70, 15,461,716.95 and 8,086,985.70 is: 12,108,555.88
Step by Step Solution
- Step 1: Write the proportion equation
10,326,473.70 : 15,461,716.95 = 8,086,985.70 : x - Step 2: Convert to fraction form
10,326,473.70/15,461,716.95 = 8,086,985.70/x - Step 3: Cross multiply
10,326,473.70x = 15,461,716.95 × 8,086,985.70 - Step 4: Simplify right side
10,326,473.70x = 125,038,683,872,097.61 - Step 5: Solve for x
x = 125,038,683,872,097.61/10,326,473.70 - Step 6: Final answer
x = 12,108,555.88
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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.