Finding the Fourth Proportional to 11,559,211.95, 15,950,425.16 and 6,401,281.80
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Solution
The fourth proportional to 11,559,211.95, 15,950,425.16 and 6,401,281.80 is: 8,833,055.99
Step by Step Solution
- Step 1: Write the proportion equation
11,559,211.95 : 15,950,425.16 = 6,401,281.80 : x - Step 2: Convert to fraction form
11,559,211.95/15,950,425.16 = 6,401,281.80/x - Step 3: Cross multiply
11,559,211.95x = 15,950,425.16 × 6,401,281.80 - Step 4: Simplify right side
11,559,211.95x = 102,103,166,354,787.39 - Step 5: Solve for x
x = 102,103,166,354,787.39/11,559,211.95 - Step 6: Final answer
x = 8,833,055.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.