Finding the Fourth Proportional to 11,186,025.87, 15,434,937.14 and 6,290,302.53
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Solution
The fourth proportional to 11,186,025.87, 15,434,937.14 and 6,290,302.53 is: 8,679,617.34
Step by Step Solution
- Step 1: Write the proportion equation
11,186,025.87 : 15,434,937.14 = 6,290,302.53 : x - Step 2: Convert to fraction form
11,186,025.87/15,434,937.14 = 6,290,302.53/x - Step 3: Cross multiply
11,186,025.87x = 15,434,937.14 × 6,290,302.53 - Step 4: Simplify right side
11,186,025.87x = 97,090,424,110,681.45 - Step 5: Solve for x
x = 97,090,424,110,681.45/11,186,025.87 - Step 6: Final answer
x = 8,679,617.34
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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.