Finding the Fourth Proportional to 11,288,297.60, 15,580,315.68 and 6,941,124.80
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Solution
The fourth proportional to 11,288,297.60, 15,580,315.68 and 6,941,124.80 is: 9,580,267.94
Step by Step Solution
- Step 1: Write the proportion equation
11,288,297.60 : 15,580,315.68 = 6,941,124.80 : x - Step 2: Convert to fraction form
11,288,297.60/15,580,315.68 = 6,941,124.80/x - Step 3: Cross multiply
11,288,297.60x = 15,580,315.68 × 6,941,124.80 - Step 4: Simplify right side
11,288,297.60x = 108,144,915,558,276.86 - Step 5: Solve for x
x = 108,144,915,558,276.86/11,288,297.60 - Step 6: Final answer
x = 9,580,267.94
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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.