Finding the Fourth Proportional to 19,748,083.60, 29,616,319.32 and 8,388,442
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Solution
The fourth proportional to 19,748,083.60, 29,616,319.32 and 8,388,442 is: 12,580,196.74
Step by Step Solution
- Step 1: Write the proportion equation
19,748,083.60 : 29,616,319.32 = 8,388,442 : x - Step 2: Convert to fraction form
19,748,083.60/29,616,319.32 = 8,388,442/x - Step 3: Cross multiply
19,748,083.60x = 29,616,319.32 × 8,388,442 - Step 4: Simplify right side
19,748,083.60x = 248,434,776,869,299.44 - Step 5: Solve for x
x = 248,434,776,869,299.44/19,748,083.60 - Step 6: Final answer
x = 12,580,196.74
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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.