Finding the Fourth Proportional to 19,577,135.48, 27,017,214.48 and 13,395,148.68
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Solution
The fourth proportional to 19,577,135.48, 27,017,214.48 and 13,395,148.68 is: 18,485,830.33
Step by Step Solution
- Step 1: Write the proportion equation
19,577,135.48 : 27,017,214.48 = 13,395,148.68 : x - Step 2: Convert to fraction form
19,577,135.48/27,017,214.48 = 13,395,148.68/x - Step 3: Cross multiply
19,577,135.48x = 27,017,214.48 × 13,395,148.68 - Step 4: Simplify right side
19,577,135.48x = 361,899,604,879,048.88 - Step 5: Solve for x
x = 361,899,604,879,048.88/19,577,135.48 - Step 6: Final answer
x = 18,485,830.33
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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.