Finding the Fourth Proportional to 10,209,957.69, 15,314,881.04 and 5,889,207.09
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Solution
The fourth proportional to 10,209,957.69, 15,314,881.04 and 5,889,207.09 is: 8,833,778.63
Step by Step Solution
- Step 1: Write the proportion equation
10,209,957.69 : 15,314,881.04 = 5,889,207.09 : x - Step 2: Convert to fraction form
10,209,957.69/15,314,881.04 = 5,889,207.09/x - Step 3: Cross multiply
10,209,957.69x = 15,314,881.04 × 5,889,207.09 - Step 4: Simplify right side
10,209,957.69x = 90,192,506,017,997.59 - Step 5: Solve for x
x = 90,192,506,017,997.59/10,209,957.69 - Step 6: Final answer
x = 8,833,778.63
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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.