Finding the Fourth Proportional to 27,979,812.65, 41,952,623.12 and 13,411,190.06
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Solution
The fourth proportional to 27,979,812.65, 41,952,623.12 and 13,411,190.06 is: 20,108,590.76
Step by Step Solution
- Step 1: Write the proportion equation
27,979,812.65 : 41,952,623.12 = 13,411,190.06 : x - Step 2: Convert to fraction form
27,979,812.65/41,952,623.12 = 13,411,190.06/x - Step 3: Cross multiply
27,979,812.65x = 41,952,623.12 × 13,411,190.06 - Step 4: Simplify right side
27,979,812.65x = 562,634,602,177,870.19 - Step 5: Solve for x
x = 562,634,602,177,870.19/27,979,812.65 - Step 6: Final answer
x = 20,108,590.76
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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.