Finding the Fourth Proportional to 13,122,145.80, 19,683,218.70 and 8,817,473.70
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Solution
The fourth proportional to 13,122,145.80, 19,683,218.70 and 8,817,473.70 is: 13,226,210.55
Step by Step Solution
- Step 1: Write the proportion equation
13,122,145.80 : 19,683,218.70 = 8,817,473.70 : x - Step 2: Convert to fraction form
13,122,145.80/19,683,218.70 = 8,817,473.70/x - Step 3: Cross multiply
13,122,145.80x = 19,683,218.70 × 8,817,473.70 - Step 4: Simplify right side
13,122,145.80x = 173,556,263,218,598.16 - Step 5: Solve for x
x = 173,556,263,218,598.16/13,122,145.80 - Step 6: Final answer
x = 13,226,210.55
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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.