Finding the Fourth Proportional to 7,224,400.19, 9,971,120.63 and 4,285,848.36
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Solution
The fourth proportional to 7,224,400.19, 9,971,120.63 and 4,285,848.36 is: 5,915,329.97
Step by Step Solution
- Step 1: Write the proportion equation
7,224,400.19 : 9,971,120.63 = 4,285,848.36 : x - Step 2: Convert to fraction form
7,224,400.19/9,971,120.63 = 4,285,848.36/x - Step 3: Cross multiply
7,224,400.19x = 9,971,120.63 × 4,285,848.36 - Step 4: Simplify right side
7,224,400.19x = 42,734,710,967,358.54 - Step 5: Solve for x
x = 42,734,710,967,358.54/7,224,400.19 - Step 6: Final answer
x = 5,915,329.97
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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.