Finding the Fourth Proportional to 18,021,275.65, 27,031,924.41 and 4,374,441.82
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Solution
The fourth proportional to 18,021,275.65, 27,031,924.41 and 4,374,441.82 is: 6,561,665.38
Step by Step Solution
- Step 1: Write the proportion equation
18,021,275.65 : 27,031,924.41 = 4,374,441.82 : x - Step 2: Convert to fraction form
18,021,275.65/27,031,924.41 = 4,374,441.82/x - Step 3: Cross multiply
18,021,275.65x = 27,031,924.41 × 4,374,441.82 - Step 4: Simplify right side
18,021,275.65x = 118,249,580,614,182.83 - Step 5: Solve for x
x = 118,249,580,614,182.83/18,021,275.65 - Step 6: Final answer
x = 6,561,665.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.