Finding the Fourth Proportional to 13,488,280.98, 20,239,064.42 and 6,298,769.99
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Solution
The fourth proportional to 13,488,280.98, 20,239,064.42 and 6,298,769.99 is: 9,451,257.12
Step by Step Solution
- Step 1: Write the proportion equation
13,488,280.98 : 20,239,064.42 = 6,298,769.99 : x - Step 2: Convert to fraction form
13,488,280.98/20,239,064.42 = 6,298,769.99/x - Step 3: Cross multiply
13,488,280.98x = 20,239,064.42 × 6,298,769.99 - Step 4: Simplify right side
13,488,280.98x = 127,481,211,594,372.77 - Step 5: Solve for x
x = 127,481,211,594,372.77/13,488,280.98 - Step 6: Final answer
x = 9,451,257.12
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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.