Finding the Fourth Proportional to 19,552,389.19, 26,982,297.08 and 11,921,541.19
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Solution
The fourth proportional to 19,552,389.19, 26,982,297.08 and 11,921,541.19 is: 16,451,726.84
Step by Step Solution
- Step 1: Write the proportion equation
19,552,389.19 : 26,982,297.08 = 11,921,541.19 : x - Step 2: Convert to fraction form
19,552,389.19/26,982,297.08 = 11,921,541.19/x - Step 3: Cross multiply
19,552,389.19x = 26,982,297.08 × 11,921,541.19 - Step 4: Simplify right side
19,552,389.19x = 321,670,565,957,679.06 - Step 5: Solve for x
x = 321,670,565,957,679.06/19,552,389.19 - Step 6: Final answer
x = 16,451,726.84
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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.