Finding the Fourth Proportional to 7,223,778.90, 9,967,411.26 and 4,283,052.84
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Solution
The fourth proportional to 7,223,778.90, 9,967,411.26 and 4,283,052.84 is: 5,909,780.70
Step by Step Solution
- Step 1: Write the proportion equation
7,223,778.90 : 9,967,411.26 = 4,283,052.84 : x - Step 2: Convert to fraction form
7,223,778.90/9,967,411.26 = 4,283,052.84/x - Step 3: Cross multiply
7,223,778.90x = 9,967,411.26 × 4,283,052.84 - Step 4: Simplify right side
7,223,778.90x = 42,690,949,104,590.98 - Step 5: Solve for x
x = 42,690,949,104,590.98/7,223,778.90 - Step 6: Final answer
x = 5,909,780.70
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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.