Finding the Fourth Proportional to 19,559,917.40, 29,339,730.30 and 5,913,037.40
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Solution
The fourth proportional to 19,559,917.40, 29,339,730.30 and 5,913,037.40 is: 8,869,512.02
Step by Step Solution
- Step 1: Write the proportion equation
19,559,917.40 : 29,339,730.30 = 5,913,037.40 : x - Step 2: Convert to fraction form
19,559,917.40/29,339,730.30 = 5,913,037.40/x - Step 3: Cross multiply
19,559,917.40x = 29,339,730.30 × 5,913,037.40 - Step 4: Simplify right side
19,559,917.40x = 173,486,922,569,813.25 - Step 5: Solve for x
x = 173,486,922,569,813.25/19,559,917.40 - Step 6: Final answer
x = 8,869,512.02
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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.