Finding the Fourth Proportional to 14,497,746.10, 21,746,619.15 and 9,720,171.70
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Solution
The fourth proportional to 14,497,746.10, 21,746,619.15 and 9,720,171.70 is: 14,580,257.55
Step by Step Solution
- Step 1: Write the proportion equation
14,497,746.10 : 21,746,619.15 = 9,720,171.70 : x - Step 2: Convert to fraction form
14,497,746.10/21,746,619.15 = 9,720,171.70/x - Step 3: Cross multiply
14,497,746.10x = 21,746,619.15 × 9,720,171.70 - Step 4: Simplify right side
14,497,746.10x = 211,380,872,032,508.03 - Step 5: Solve for x
x = 211,380,872,032,508.03/14,497,746.10 - Step 6: Final answer
x = 14,580,257.55
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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.