Finding the Fourth Proportional to 18,697,101.40, 28,038,653.70 and 6,561,875.80
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Solution
The fourth proportional to 18,697,101.40, 28,038,653.70 and 6,561,875.80 is: 9,840,357.56
Step by Step Solution
- Step 1: Write the proportion equation
18,697,101.40 : 28,038,653.70 = 6,561,875.80 : x - Step 2: Convert to fraction form
18,697,101.40/28,038,653.70 = 6,561,875.80/x - Step 3: Cross multiply
18,697,101.40x = 28,038,653.70 × 6,561,875.80 - Step 4: Simplify right side
18,697,101.40x = 183,986,163,178,610.44 - Step 5: Solve for x
x = 183,986,163,178,610.44/18,697,101.40 - Step 6: Final answer
x = 9,840,357.56
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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.