Finding the Fourth Proportional to 10,546,746.79, 15,803,756.67 and 7,314,589.08
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Solution
The fourth proportional to 10,546,746.79, 15,803,756.67 and 7,314,589.08 is: 10,960,534.87
Step by Step Solution
- Step 1: Write the proportion equation
10,546,746.79 : 15,803,756.67 = 7,314,589.08 : x - Step 2: Convert to fraction form
10,546,746.79/15,803,756.67 = 7,314,589.08/x - Step 3: Cross multiply
10,546,746.79x = 15,803,756.67 × 7,314,589.08 - Step 4: Simplify right side
10,546,746.79x = 115,597,985,961,359.17 - Step 5: Solve for x
x = 115,597,985,961,359.17/10,546,746.79 - Step 6: Final answer
x = 10,960,534.87
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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.