Finding the Fourth Proportional to 7,178,283.36, 10,772,475.12 and 6,492,222
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Solution
The fourth proportional to 7,178,283.36, 10,772,475.12 and 6,492,222 is: 9,742,900.42
Step by Step Solution
- Step 1: Write the proportion equation
7,178,283.36 : 10,772,475.12 = 6,492,222 : x - Step 2: Convert to fraction form
7,178,283.36/10,772,475.12 = 6,492,222/x - Step 3: Cross multiply
7,178,283.36x = 10,772,475.12 × 6,492,222 - Step 4: Simplify right side
7,178,283.36x = 69,937,299,968,516.63 - Step 5: Solve for x
x = 69,937,299,968,516.63/7,178,283.36 - Step 6: Final answer
x = 9,742,900.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.