Finding the Fourth Proportional to 16,465,663.20, 24,698,494.80 and 7,490,215.20
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Solution
The fourth proportional to 16,465,663.20, 24,698,494.80 and 7,490,215.20 is: 11,235,322.80
Step by Step Solution
- Step 1: Write the proportion equation
16,465,663.20 : 24,698,494.80 = 7,490,215.20 : x - Step 2: Convert to fraction form
16,465,663.20/24,698,494.80 = 7,490,215.20/x - Step 3: Cross multiply
16,465,663.20x = 24,698,494.80 × 7,490,215.20 - Step 4: Simplify right side
16,465,663.20x = 184,997,041,168,080.97 - Step 5: Solve for x
x = 184,997,041,168,080.97/16,465,663.20 - Step 6: Final answer
x = 11,235,322.80
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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.