Finding the Fourth Proportional to 10,713,449.38, 14,774,489.34 and 8,262,177.77
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Solution
The fourth proportional to 10,713,449.38, 14,774,489.34 and 8,262,177.77 is: 11,394,038.75
Step by Step Solution
- Step 1: Write the proportion equation
10,713,449.38 : 14,774,489.34 = 8,262,177.77 : x - Step 2: Convert to fraction form
10,713,449.38/14,774,489.34 = 8,262,177.77/x - Step 3: Cross multiply
10,713,449.38x = 14,774,489.34 × 8,262,177.77 - Step 4: Simplify right side
10,713,449.38x = 122,069,457,387,307.91 - Step 5: Solve for x
x = 122,069,457,387,307.91/10,713,449.38 - Step 6: Final answer
x = 11,394,038.75
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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.