Finding the Fourth Proportional to 7,187,885.28, 9,919,330.08 and 3,924,722.88
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Solution
The fourth proportional to 7,187,885.28, 9,919,330.08 and 3,924,722.88 is: 5,416,144.00
Step by Step Solution
- Step 1: Write the proportion equation
7,187,885.28 : 9,919,330.08 = 3,924,722.88 : x - Step 2: Convert to fraction form
7,187,885.28/9,919,330.08 = 3,924,722.88/x - Step 3: Cross multiply
7,187,885.28x = 9,919,330.08 × 3,924,722.88 - Step 4: Simplify right side
7,187,885.28x = 38,930,621,719,248.23 - Step 5: Solve for x
x = 38,930,621,719,248.23/7,187,885.28 - Step 6: Final answer
x = 5,416,144.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.