Finding the Fourth Proportional to 7,454,490.68, 10,280,823.36 and 5,135,084.84
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Solution
The fourth proportional to 7,454,490.68, 10,280,823.36 and 5,135,084.84 is: 7,082,026.45
Step by Step Solution
- Step 1: Write the proportion equation
7,454,490.68 : 10,280,823.36 = 5,135,084.84 : x - Step 2: Convert to fraction form
7,454,490.68/10,280,823.36 = 5,135,084.84/x - Step 3: Cross multiply
7,454,490.68x = 10,280,823.36 × 5,135,084.84 - Step 4: Simplify right side
7,454,490.68x = 52,792,900,178,653.86 - Step 5: Solve for x
x = 52,792,900,178,653.86/7,454,490.68 - Step 6: Final answer
x = 7,082,026.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.