Finding the Fourth Proportional to 10,279,887.19, 15,416,467.36 and 4,813,289.93
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Solution
The fourth proportional to 10,279,887.19, 15,416,467.36 and 4,813,289.93 is: 7,218,360.06
Step by Step Solution
- Step 1: Write the proportion equation
10,279,887.19 : 15,416,467.36 = 4,813,289.93 : x - Step 2: Convert to fraction form
10,279,887.19/15,416,467.36 = 4,813,289.93/x - Step 3: Cross multiply
10,279,887.19x = 15,416,467.36 × 4,813,289.93 - Step 4: Simplify right side
10,279,887.19x = 74,203,927,126,569.62 - Step 5: Solve for x
x = 74,203,927,126,569.62/10,279,887.19 - Step 6: Final answer
x = 7,218,360.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.