Finding the Fourth Proportional to 19,908,632.52, 27,459,244.80 and 15,014,060.88
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Solution
The fourth proportional to 19,908,632.52, 27,459,244.80 and 15,014,060.88 is: 20,708,342.11
Step by Step Solution
- Step 1: Write the proportion equation
19,908,632.52 : 27,459,244.80 = 15,014,060.88 : x - Step 2: Convert to fraction form
19,908,632.52/27,459,244.80 = 15,014,060.88/x - Step 3: Cross multiply
19,908,632.52x = 27,459,244.80 × 15,014,060.88 - Step 4: Simplify right side
19,908,632.52x = 412,274,773,146,023.44 - Step 5: Solve for x
x = 412,274,773,146,023.44/19,908,632.52 - Step 6: Final answer
x = 20,708,342.11
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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.