Finding the Fourth Proportional to 40,476,929.18, 55,858,235.76 and 22,142,214.68
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Solution
The fourth proportional to 40,476,929.18, 55,858,235.76 and 22,142,214.68 is: 30,556,296.46
Step by Step Solution
- Step 1: Write the proportion equation
40,476,929.18 : 55,858,235.76 = 22,142,214.68 : x - Step 2: Convert to fraction form
40,476,929.18/55,858,235.76 = 22,142,214.68/x - Step 3: Cross multiply
40,476,929.18x = 55,858,235.76 × 22,142,214.68 - Step 4: Simplify right side
40,476,929.18x = 1,236,825,047,843,973 - Step 5: Solve for x
x = 1,236,825,047,843,973/40,476,929.18 - Step 6: Final answer
x = 30,556,296.46
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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.