Finding the Fourth Proportional to 10,366,068.12, 15,536,998.50 and 7,799,038.60
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Solution
The fourth proportional to 10,366,068.12, 15,536,998.50 and 7,799,038.60 is: 11,689,451.55
Step by Step Solution
- Step 1: Write the proportion equation
10,366,068.12 : 15,536,998.50 = 7,799,038.60 : x - Step 2: Convert to fraction form
10,366,068.12/15,536,998.50 = 7,799,038.60/x - Step 3: Cross multiply
10,366,068.12x = 15,536,998.50 × 7,799,038.60 - Step 4: Simplify right side
10,366,068.12x = 121,173,651,029,642.09 - Step 5: Solve for x
x = 121,173,651,029,642.09/10,366,068.12 - Step 6: Final answer
x = 11,689,451.55
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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.