Finding the Fourth Proportional to 7,390,807.60, 11,097,616.20 and 4,031,575.60
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Solution
The fourth proportional to 7,390,807.60, 11,097,616.20 and 4,031,575.60 is: 6,053,584.55
Step by Step Solution
- Step 1: Write the proportion equation
7,390,807.60 : 11,097,616.20 = 4,031,575.60 : x - Step 2: Convert to fraction form
7,390,807.60/11,097,616.20 = 4,031,575.60/x - Step 3: Cross multiply
7,390,807.60x = 11,097,616.20 × 4,031,575.60 - Step 4: Simplify right side
7,390,807.60x = 44,740,878,690,084.72 - Step 5: Solve for x
x = 44,740,878,690,084.72/7,390,807.60 - Step 6: Final answer
x = 6,053,584.55
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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.