Finding the Fourth Proportional to 10,370,875.70, 15,570,310.35 and 8,243,362.10
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Solution
The fourth proportional to 10,370,875.70, 15,570,310.35 and 8,243,362.10 is: 12,376,168.60
Step by Step Solution
- Step 1: Write the proportion equation
10,370,875.70 : 15,570,310.35 = 8,243,362.10 : x - Step 2: Convert to fraction form
10,370,875.70/15,570,310.35 = 8,243,362.10/x - Step 3: Cross multiply
10,370,875.70x = 15,570,310.35 × 8,243,362.10 - Step 4: Simplify right side
10,370,875.70x = 128,351,706,224,427.72 - Step 5: Solve for x
x = 128,351,706,224,427.72/10,370,875.70 - Step 6: Final answer
x = 12,376,168.60
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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.