Finding the Fourth Proportional to 13,165,378.24, 19,740,966.72 and 5,972,987.84
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Solution
The fourth proportional to 13,165,378.24, 19,740,966.72 and 5,972,987.84 is: 8,956,260.28
Step by Step Solution
- Step 1: Write the proportion equation
13,165,378.24 : 19,740,966.72 = 5,972,987.84 : x - Step 2: Convert to fraction form
13,165,378.24/19,740,966.72 = 5,972,987.84/x - Step 3: Cross multiply
13,165,378.24x = 19,740,966.72 × 5,972,987.84 - Step 4: Simplify right side
13,165,378.24x = 117,912,554,168,404.67 - Step 5: Solve for x
x = 117,912,554,168,404.67/13,165,378.24 - Step 6: Final answer
x = 8,956,260.28
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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.