Finding the Fourth Proportional to 17,748,700.92, 26,631,482.64 and 12,292,192.74
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Solution
The fourth proportional to 17,748,700.92, 26,631,482.64 and 12,292,192.74 is: 18,444,128.34
Step by Step Solution
- Step 1: Write the proportion equation
17,748,700.92 : 26,631,482.64 = 12,292,192.74 : x - Step 2: Convert to fraction form
17,748,700.92/26,631,482.64 = 12,292,192.74/x - Step 3: Cross multiply
17,748,700.92x = 26,631,482.64 × 12,292,192.74 - Step 4: Simplify right side
17,748,700.92x = 327,359,317,562,844.06 - Step 5: Solve for x
x = 327,359,317,562,844.06/17,748,700.92 - Step 6: Final answer
x = 18,444,128.34
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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.