Finding the Fourth Proportional to 19,655,793.71, 27,127,013.16 and 11,817,859.08
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Solution
The fourth proportional to 19,655,793.71, 27,127,013.16 and 11,817,859.08 is: 16,309,858.74
Step by Step Solution
- Step 1: Write the proportion equation
19,655,793.71 : 27,127,013.16 = 11,817,859.08 : x - Step 2: Convert to fraction form
19,655,793.71/27,127,013.16 = 11,817,859.08/x - Step 3: Cross multiply
19,655,793.71x = 27,127,013.16 × 11,817,859.08 - Step 4: Simplify right side
19,655,793.71x = 320,583,218,786,185.50 - Step 5: Solve for x
x = 320,583,218,786,185.50/19,655,793.71 - Step 6: Final answer
x = 16,309,858.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.