Finding the Fourth Proportional to 19,765,607.30, 27,276,348.27 and 11,389,900.08
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Solution
The fourth proportional to 19,765,607.30, 27,276,348.27 and 11,389,900.08 is: 15,717,952.74
Step by Step Solution
- Step 1: Write the proportion equation
19,765,607.30 : 27,276,348.27 = 11,389,900.08 : x - Step 2: Convert to fraction form
19,765,607.30/27,276,348.27 = 11,389,900.08/x - Step 3: Cross multiply
19,765,607.30x = 27,276,348.27 × 11,389,900.08 - Step 4: Simplify right side
19,765,607.30x = 310,674,881,342,580.88 - Step 5: Solve for x
x = 310,674,881,342,580.88/19,765,607.30 - Step 6: Final answer
x = 15,717,952.74
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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.