Finding the Fourth Proportional to 22,497,367.80, 31,046,406.80 and 12,184,090.88
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Solution
The fourth proportional to 22,497,367.80, 31,046,406.80 and 12,184,090.88 is: 16,814,066.66
Step by Step Solution
- Step 1: Write the proportion equation
22,497,367.80 : 31,046,406.80 = 12,184,090.88 : x - Step 2: Convert to fraction form
22,497,367.80/31,046,406.80 = 12,184,090.88/x - Step 3: Cross multiply
22,497,367.80x = 31,046,406.80 × 12,184,090.88 - Step 4: Simplify right side
22,497,367.80x = 378,272,241,948,650 - Step 5: Solve for x
x = 378,272,241,948,650/22,497,367.80 - Step 6: Final answer
x = 16,814,066.66
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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.