Finding the Fourth Proportional to 10,366,292.43, 15,549,438.65 and 4,974,025.23
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Solution
The fourth proportional to 10,366,292.43, 15,549,438.65 and 4,974,025.23 is: 7,461,037.85
Step by Step Solution
- Step 1: Write the proportion equation
10,366,292.43 : 15,549,438.65 = 4,974,025.23 : x - Step 2: Convert to fraction form
10,366,292.43/15,549,438.65 = 4,974,025.23/x - Step 3: Cross multiply
10,366,292.43x = 15,549,438.65 × 4,974,025.23 - Step 4: Simplify right side
10,366,292.43x = 77,343,300,157,437.14 - Step 5: Solve for x
x = 77,343,300,157,437.14/10,366,292.43 - Step 6: Final answer
x = 7,461,037.85
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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.