Finding the Fourth Proportional to 10,267,597.12, 14,169,451.08 and 5,621,303.74
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Solution
The fourth proportional to 10,267,597.12, 14,169,451.08 and 5,621,303.74 is: 7,757,490.62
Step by Step Solution
- Step 1: Write the proportion equation
10,267,597.12 : 14,169,451.08 = 5,621,303.74 : x - Step 2: Convert to fraction form
10,267,597.12/14,169,451.08 = 5,621,303.74/x - Step 3: Cross multiply
10,267,597.12x = 14,169,451.08 × 5,621,303.74 - Step 4: Simplify right side
10,267,597.12x = 79,650,788,349,751.05 - Step 5: Solve for x
x = 79,650,788,349,751.05/10,267,597.12 - Step 6: Final answer
x = 7,757,490.62
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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.