Finding the Fourth Proportional to 10,715,361.21, 14,781,308.76 and 6,787,924.74
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Solution
The fourth proportional to 10,715,361.21, 14,781,308.76 and 6,787,924.74 is: 9,363,605.15
Step by Step Solution
- Step 1: Write the proportion equation
10,715,361.21 : 14,781,308.76 = 6,787,924.74 : x - Step 2: Convert to fraction form
10,715,361.21/14,781,308.76 = 6,787,924.74/x - Step 3: Cross multiply
10,715,361.21x = 14,781,308.76 × 6,787,924.74 - Step 4: Simplify right side
10,715,361.21x = 100,334,411,421,582.72 - Step 5: Solve for x
x = 100,334,411,421,582.72/10,715,361.21 - Step 6: Final answer
x = 9,363,605.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.