Finding the Fourth Proportional to 14,386,963.16, 19,853,777.46 and 7,860,452.60
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Solution
The fourth proportional to 14,386,963.16, 19,853,777.46 and 7,860,452.60 is: 10,847,298.00
Step by Step Solution
- Step 1: Write the proportion equation
14,386,963.16 : 19,853,777.46 = 7,860,452.60 : x - Step 2: Convert to fraction form
14,386,963.16/19,853,777.46 = 7,860,452.60/x - Step 3: Cross multiply
14,386,963.16x = 19,853,777.46 × 7,860,452.60 - Step 4: Simplify right side
14,386,963.16x = 156,059,676,655,278.41 - Step 5: Solve for x
x = 156,059,676,655,278.41/14,386,963.16 - Step 6: Final answer
x = 10,847,298.00
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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.