Finding the Fourth Proportional to 7,635,390.80, 10,536,212.68 and 4,495,155.92
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Solution
The fourth proportional to 7,635,390.80, 10,536,212.68 and 4,495,155.92 is: 6,202,946.26
Step by Step Solution
- Step 1: Write the proportion equation
7,635,390.80 : 10,536,212.68 = 4,495,155.92 : x - Step 2: Convert to fraction form
7,635,390.80/10,536,212.68 = 4,495,155.92/x - Step 3: Cross multiply
7,635,390.80x = 10,536,212.68 × 4,495,155.92 - Step 4: Simplify right side
7,635,390.80x = 47,361,918,802,881.06 - Step 5: Solve for x
x = 47,361,918,802,881.06/7,635,390.80 - Step 6: Final answer
x = 6,202,946.26
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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.