Finding the Fourth Proportional to 13,318,203.60, 19,986,636.60 and 8,537,518.80
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Solution
The fourth proportional to 13,318,203.60, 19,986,636.60 and 8,537,518.80 is: 12,812,259.88
Step by Step Solution
- Step 1: Write the proportion equation
13,318,203.60 : 19,986,636.60 = 8,537,518.80 : x - Step 2: Convert to fraction form
13,318,203.60/19,986,636.60 = 8,537,518.80/x - Step 3: Cross multiply
13,318,203.60x = 19,986,636.60 × 8,537,518.80 - Step 4: Simplify right side
13,318,203.60x = 170,636,285,721,268.09 - Step 5: Solve for x
x = 170,636,285,721,268.09/13,318,203.60 - Step 6: Final answer
x = 12,812,259.88
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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.