Finding the Fourth Proportional to 26,863,551.24, 37,071,825.68 and 15,261,751.32
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Solution
The fourth proportional to 26,863,551.24, 37,071,825.68 and 15,261,751.32 is: 21,061,287.82
Step by Step Solution
- Step 1: Write the proportion equation
26,863,551.24 : 37,071,825.68 = 15,261,751.32 : x - Step 2: Convert to fraction form
26,863,551.24/37,071,825.68 = 15,261,751.32/x - Step 3: Cross multiply
26,863,551.24x = 37,071,825.68 × 15,261,751.32 - Step 4: Simplify right side
26,863,551.24x = 565,780,984,506,549.88 - Step 5: Solve for x
x = 565,780,984,506,549.88/26,863,551.24 - Step 6: Final answer
x = 21,061,287.82
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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.