Finding the Fourth Proportional to 7,402,354.80, 11,099,595.60 and 3,137,704.80
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Solution
The fourth proportional to 7,402,354.80, 11,099,595.60 and 3,137,704.80 is: 4,704,888.56
Step by Step Solution
- Step 1: Write the proportion equation
7,402,354.80 : 11,099,595.60 = 3,137,704.80 : x - Step 2: Convert to fraction form
7,402,354.80/11,099,595.60 = 3,137,704.80/x - Step 3: Cross multiply
7,402,354.80x = 11,099,595.60 × 3,137,704.80 - Step 4: Simplify right side
7,402,354.80x = 34,827,254,392,178.88 - Step 5: Solve for x
x = 34,827,254,392,178.88/7,402,354.80 - Step 6: Final answer
x = 4,704,888.56
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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.