Finding the Fourth Proportional to 13,218,210.09, 19,828,262.84 and 5,534,122.41
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Solution
The fourth proportional to 13,218,210.09, 19,828,262.84 and 5,534,122.41 is: 8,301,580.39
Step by Step Solution
- Step 1: Write the proportion equation
13,218,210.09 : 19,828,262.84 = 5,534,122.41 : x - Step 2: Convert to fraction form
13,218,210.09/19,828,262.84 = 5,534,122.41/x - Step 3: Cross multiply
13,218,210.09x = 19,828,262.84 × 5,534,122.41 - Step 4: Simplify right side
13,218,210.09x = 109,732,033,706,543.64 - Step 5: Solve for x
x = 109,732,033,706,543.64/13,218,210.09 - Step 6: Final answer
x = 8,301,580.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.