Finding the Fourth Proportional to 14,712,303.01, 20,302,659.99 and 8,517,610.93
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Solution
The fourth proportional to 14,712,303.01, 20,302,659.99 and 8,517,610.93 is: 11,754,118.88
Step by Step Solution
- Step 1: Write the proportion equation
14,712,303.01 : 20,302,659.99 = 8,517,610.93 : x - Step 2: Convert to fraction form
14,712,303.01/20,302,659.99 = 8,517,610.93/x - Step 3: Cross multiply
14,712,303.01x = 20,302,659.99 × 8,517,610.93 - Step 4: Simplify right side
14,712,303.01x = 172,930,158,638,897.66 - Step 5: Solve for x
x = 172,930,158,638,897.66/14,712,303.01 - Step 6: Final answer
x = 11,754,118.88
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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.