Finding the Fourth Proportional to 18,639,687.60, 27,927,601.20 and 14,813,312.40
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Solution
The fourth proportional to 18,639,687.60, 27,927,601.20 and 14,813,312.40 is: 22,194,593.07
Step by Step Solution
- Step 1: Write the proportion equation
18,639,687.60 : 27,927,601.20 = 14,813,312.40 : x - Step 2: Convert to fraction form
18,639,687.60/27,927,601.20 = 14,813,312.40/x - Step 3: Cross multiply
18,639,687.60x = 27,927,601.20 × 14,813,312.40 - Step 4: Simplify right side
18,639,687.60x = 413,700,281,158,214.88 - Step 5: Solve for x
x = 413,700,281,158,214.88/18,639,687.60 - Step 6: Final answer
x = 22,194,593.07
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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.