Finding the Fourth Proportional to 13,318,053.60, 19,986,411.60 and 8,537,368.80
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Solution
The fourth proportional to 13,318,053.60, 19,986,411.60 and 8,537,368.80 is: 12,812,034.85
Step by Step Solution
- Step 1: Write the proportion equation
13,318,053.60 : 19,986,411.60 = 8,537,368.80 : x - Step 2: Convert to fraction form
13,318,053.60/19,986,411.60 = 8,537,368.80/x - Step 3: Cross multiply
13,318,053.60x = 19,986,411.60 × 8,537,368.80 - Step 4: Simplify right side
13,318,053.60x = 170,631,366,817,798.09 - Step 5: Solve for x
x = 170,631,366,817,798.09/13,318,053.60 - Step 6: Final answer
x = 12,812,034.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.