Finding the Fourth Proportional to 7,772,816.74, 11,656,698.98 and 2,584,033.42
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Solution
The fourth proportional to 7,772,816.74, 11,656,698.98 and 2,584,033.42 is: 3,875,210.33
Step by Step Solution
- Step 1: Write the proportion equation
7,772,816.74 : 11,656,698.98 = 2,584,033.42 : x - Step 2: Convert to fraction form
7,772,816.74/11,656,698.98 = 2,584,033.42/x - Step 3: Cross multiply
7,772,816.74x = 11,656,698.98 × 2,584,033.42 - Step 4: Simplify right side
7,772,816.74x = 30,121,299,731,199.91 - Step 5: Solve for x
x = 30,121,299,731,199.91/7,772,816.74 - Step 6: Final answer
x = 3,875,210.33
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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.