Finding the Fourth Proportional to 10,239,697.48, 14,130,511.86 and 5,655,920.44
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Solution
The fourth proportional to 10,239,697.48, 14,130,511.86 and 5,655,920.44 is: 7,805,020.71
Step by Step Solution
- Step 1: Write the proportion equation
10,239,697.48 : 14,130,511.86 = 5,655,920.44 : x - Step 2: Convert to fraction form
10,239,697.48/14,130,511.86 = 5,655,920.44/x - Step 3: Cross multiply
10,239,697.48x = 14,130,511.86 × 5,655,920.44 - Step 4: Simplify right side
10,239,697.48x = 79,921,050,856,636.42 - Step 5: Solve for x
x = 79,921,050,856,636.42/10,239,697.48 - Step 6: Final answer
x = 7,805,020.71
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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.