Finding the Fourth Proportional to 36,643,322.70, 54,964,984.05 and 12,708,794.70
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Solution
The fourth proportional to 36,643,322.70, 54,964,984.05 and 12,708,794.70 is: 19,063,192.05
Step by Step Solution
- Step 1: Write the proportion equation
36,643,322.70 : 54,964,984.05 = 12,708,794.70 : x - Step 2: Convert to fraction form
36,643,322.70/54,964,984.05 = 12,708,794.70/x - Step 3: Cross multiply
36,643,322.70x = 54,964,984.05 × 12,708,794.70 - Step 4: Simplify right side
36,643,322.70x = 698,538,697,980,224.50 - Step 5: Solve for x
x = 698,538,697,980,224.50/36,643,322.70 - Step 6: Final answer
x = 19,063,192.05
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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.