Finding the Fourth Proportional to 18,032,885.64, 24,887,934.18 and 11,159,582.04
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Solution
The fourth proportional to 18,032,885.64, 24,887,934.18 and 11,159,582.04 is: 15,401,802.51
Step by Step Solution
- Step 1: Write the proportion equation
18,032,885.64 : 24,887,934.18 = 11,159,582.04 : x - Step 2: Convert to fraction form
18,032,885.64/24,887,934.18 = 11,159,582.04/x - Step 3: Cross multiply
18,032,885.64x = 24,887,934.18 × 11,159,582.04 - Step 4: Simplify right side
18,032,885.64x = 277,738,943,287,830.09 - Step 5: Solve for x
x = 277,738,943,287,830.09/18,032,885.64 - Step 6: Final answer
x = 15,401,802.51
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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.