Finding the Fourth Proportional to 11,121,551.60, 15,348,373.64 and 6,226,730.87
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Solution
The fourth proportional to 11,121,551.60, 15,348,373.64 and 6,226,730.87 is: 8,593,242.69
Step by Step Solution
- Step 1: Write the proportion equation
11,121,551.60 : 15,348,373.64 = 6,226,730.87 : x - Step 2: Convert to fraction form
11,121,551.60/15,348,373.64 = 6,226,730.87/x - Step 3: Cross multiply
11,121,551.60x = 15,348,373.64 × 6,226,730.87 - Step 4: Simplify right side
11,121,551.60x = 95,570,191,979,069.78 - Step 5: Solve for x
x = 95,570,191,979,069.78/11,121,551.60 - Step 6: Final answer
x = 8,593,242.69
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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.