Finding the Fourth Proportional to 11,072,147.74, 15,280,430.50 and 6,111,574.08
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Solution
The fourth proportional to 11,072,147.74, 15,280,430.50 and 6,111,574.08 is: 8,434,450.58
Step by Step Solution
- Step 1: Write the proportion equation
11,072,147.74 : 15,280,430.50 = 6,111,574.08 : x - Step 2: Convert to fraction form
11,072,147.74/15,280,430.50 = 6,111,574.08/x - Step 3: Cross multiply
11,072,147.74x = 15,280,430.50 × 6,111,574.08 - Step 4: Simplify right side
11,072,147.74x = 93,387,482,925,379.30 - Step 5: Solve for x
x = 93,387,482,925,379.30/11,072,147.74 - Step 6: Final answer
x = 8,434,450.58
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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.