Finding the Fourth Proportional to 7,187,965.44, 9,919,596.66 and 3,924,987.36
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Solution
The fourth proportional to 7,187,965.44, 9,919,596.66 and 3,924,987.36 is: 5,416,594.14
Step by Step Solution
- Step 1: Write the proportion equation
7,187,965.44 : 9,919,596.66 = 3,924,987.36 : x - Step 2: Convert to fraction form
7,187,965.44/9,919,596.66 = 3,924,987.36/x - Step 3: Cross multiply
7,187,965.44x = 9,919,596.66 × 3,924,987.36 - Step 4: Simplify right side
7,187,965.44x = 38,934,291,506,798.22 - Step 5: Solve for x
x = 38,934,291,506,798.22/7,187,965.44 - Step 6: Final answer
x = 5,416,594.14
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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.