Finding the Fourth Proportional to 18,260,628.60, 27,388,869.30 and 4,798,817.40
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Solution
The fourth proportional to 18,260,628.60, 27,388,869.30 and 4,798,817.40 is: 7,197,681.17
Step by Step Solution
- Step 1: Write the proportion equation
18,260,628.60 : 27,388,869.30 = 4,798,817.40 : x - Step 2: Convert to fraction form
18,260,628.60/27,388,869.30 = 4,798,817.40/x - Step 3: Cross multiply
18,260,628.60x = 27,388,869.30 × 4,798,817.40 - Step 4: Simplify right side
18,260,628.60x = 131,434,182,563,165.83 - Step 5: Solve for x
x = 131,434,182,563,165.83/18,260,628.60 - Step 6: Final answer
x = 7,197,681.17
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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.