Finding the Fourth Proportional to 10,966,430.50, 15,134,689.60 and 6,071,652.68
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Solution
The fourth proportional to 10,966,430.50, 15,134,689.60 and 6,071,652.68 is: 8,379,442.95
Step by Step Solution
- Step 1: Write the proportion equation
10,966,430.50 : 15,134,689.60 = 6,071,652.68 : x - Step 2: Convert to fraction form
10,966,430.50/15,134,689.60 = 6,071,652.68/x - Step 3: Cross multiply
10,966,430.50x = 15,134,689.60 × 6,071,652.68 - Step 4: Simplify right side
10,966,430.50x = 91,892,578,670,808.12 - Step 5: Solve for x
x = 91,892,578,670,808.12/10,966,430.50 - Step 6: Final answer
x = 8,379,442.95
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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.