Finding the Fourth Proportional to 10,119,376.75, 15,178,931.14 and 2,442,980.23
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Solution
The fourth proportional to 10,119,376.75, 15,178,931.14 and 2,442,980.23 is: 3,664,437.99
Step by Step Solution
- Step 1: Write the proportion equation
10,119,376.75 : 15,178,931.14 = 2,442,980.23 : x - Step 2: Convert to fraction form
10,119,376.75/15,178,931.14 = 2,442,980.23/x - Step 3: Cross multiply
10,119,376.75x = 15,178,931.14 × 2,442,980.23 - Step 4: Simplify right side
10,119,376.75x = 37,081,828,599,441.80 - Step 5: Solve for x
x = 37,081,828,599,441.80/10,119,376.75 - Step 6: Final answer
x = 3,664,437.99
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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.