Finding the Fourth Proportional to 10,663,779.52, 14,717,775.42 and 6,536,106.70
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Solution
The fourth proportional to 10,663,779.52, 14,717,775.42 and 6,536,106.70 is: 9,020,905.80
Step by Step Solution
- Step 1: Write the proportion equation
10,663,779.52 : 14,717,775.42 = 6,536,106.70 : x - Step 2: Convert to fraction form
10,663,779.52/14,717,775.42 = 6,536,106.70/x - Step 3: Cross multiply
10,663,779.52x = 14,717,775.42 × 6,536,106.70 - Step 4: Simplify right side
10,663,779.52x = 96,196,950,531,757.31 - Step 5: Solve for x
x = 96,196,950,531,757.31/10,663,779.52 - Step 6: Final answer
x = 9,020,905.80
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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.