Finding the Fourth Proportional to 19,392,937.80, 26,762,460.42 and 10,691,421.81
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Solution
The fourth proportional to 19,392,937.80, 26,762,460.42 and 10,691,421.81 is: 14,754,275.80
Step by Step Solution
- Step 1: Write the proportion equation
19,392,937.80 : 26,762,460.42 = 10,691,421.81 : x - Step 2: Convert to fraction form
19,392,937.80/26,762,460.42 = 10,691,421.81/x - Step 3: Cross multiply
19,392,937.80x = 26,762,460.42 × 10,691,421.81 - Step 4: Simplify right side
19,392,937.80x = 286,128,752,970,192.62 - Step 5: Solve for x
x = 286,128,752,970,192.62/19,392,937.80 - Step 6: Final answer
x = 14,754,275.80
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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.