Finding the Fourth Proportional to 7,316,844.60, 10,975,266.90 and 6,906,271.80
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Solution
The fourth proportional to 7,316,844.60, 10,975,266.90 and 6,906,271.80 is: 10,359,407.70
Step by Step Solution
- Step 1: Write the proportion equation
7,316,844.60 : 10,975,266.90 = 6,906,271.80 : x - Step 2: Convert to fraction form
7,316,844.60/10,975,266.90 = 6,906,271.80/x - Step 3: Cross multiply
7,316,844.60x = 10,975,266.90 × 6,906,271.80 - Step 4: Simplify right side
7,316,844.60x = 75,798,176,288,943.42 - Step 5: Solve for x
x = 75,798,176,288,943.42/7,316,844.60 - Step 6: Final answer
x = 10,359,407.70
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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.