Finding the Fourth Proportional to 18,021,274.65, 27,031,922.91 and 4,374,440.82
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Solution
The fourth proportional to 18,021,274.65, 27,031,922.91 and 4,374,440.82 is: 6,561,663.88
Step by Step Solution
- Step 1: Write the proportion equation
18,021,274.65 : 27,031,922.91 = 4,374,440.82 : x - Step 2: Convert to fraction form
18,021,274.65/27,031,922.91 = 4,374,440.82/x - Step 3: Cross multiply
18,021,274.65x = 27,031,922.91 × 4,374,440.82 - Step 4: Simplify right side
18,021,274.65x = 118,249,547,020,597.19 - Step 5: Solve for x
x = 118,249,547,020,597.19/18,021,274.65 - Step 6: Final answer
x = 6,561,663.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.