Finding the Fourth Proportional to 11,349,655.61, 15,658,431.99 and 8,736,958.76
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Solution
The fourth proportional to 11,349,655.61, 15,658,431.99 and 8,736,958.76 is: 12,053,852.49
Step by Step Solution
- Step 1: Write the proportion equation
11,349,655.61 : 15,658,431.99 = 8,736,958.76 : x - Step 2: Convert to fraction form
11,349,655.61/15,658,431.99 = 8,736,958.76/x - Step 3: Cross multiply
11,349,655.61x = 15,658,431.99 × 8,736,958.76 - Step 4: Simplify right side
11,349,655.61x = 136,807,074,542,894.73 - Step 5: Solve for x
x = 136,807,074,542,894.73/11,349,655.61 - Step 6: Final answer
x = 12,053,852.49
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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.