Finding the Fourth Proportional to 9,869,712.35, 14,787,011.16 and 8,415,644.09
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Solution
The fourth proportional to 9,869,712.35, 14,787,011.16 and 8,415,644.09 is: 12,608,495.43
Step by Step Solution
- Step 1: Write the proportion equation
9,869,712.35 : 14,787,011.16 = 8,415,644.09 : x - Step 2: Convert to fraction form
9,869,712.35/14,787,011.16 = 8,415,644.09/x - Step 3: Cross multiply
9,869,712.35x = 14,787,011.16 × 8,415,644.09 - Step 4: Simplify right side
9,869,712.35x = 124,442,223,003,483 - Step 5: Solve for x
x = 124,442,223,003,483/9,869,712.35 - Step 6: Final answer
x = 12,608,495.43
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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.