Finding the Fourth Proportional to 19,398,351.84, 26,778,907.68 and 11,246,615.52
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Solution
The fourth proportional to 19,398,351.84, 26,778,907.68 and 11,246,615.52 is: 15,525,652.96
Step by Step Solution
- Step 1: Write the proportion equation
19,398,351.84 : 26,778,907.68 = 11,246,615.52 : x - Step 2: Convert to fraction form
19,398,351.84/26,778,907.68 = 11,246,615.52/x - Step 3: Cross multiply
19,398,351.84x = 26,778,907.68 × 11,246,615.52 - Step 4: Simplify right side
19,398,351.84x = 301,172,078,722,535.19 - Step 5: Solve for x
x = 301,172,078,722,535.19/19,398,351.84 - Step 6: Final answer
x = 15,525,652.96
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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.