Finding the Fourth Proportional to 7,469,075.60, 11,196,966.62 and 2,919,089.68
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Solution
The fourth proportional to 7,469,075.60, 11,196,966.62 and 2,919,089.68 is: 4,376,036.80
Step by Step Solution
- Step 1: Write the proportion equation
7,469,075.60 : 11,196,966.62 = 2,919,089.68 : x - Step 2: Convert to fraction form
7,469,075.60/11,196,966.62 = 2,919,089.68/x - Step 3: Cross multiply
7,469,075.60x = 11,196,966.62 × 2,919,089.68 - Step 4: Simplify right side
7,469,075.60x = 32,684,949,707,746.48 - Step 5: Solve for x
x = 32,684,949,707,746.48/7,469,075.60 - Step 6: Final answer
x = 4,376,036.80
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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.