Finding the Fourth Proportional to 10,938,946.91, 16,418,718.36 and 5,551,463.75
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Solution
The fourth proportional to 10,938,946.91, 16,418,718.36 and 5,551,463.75 is: 8,332,421.80
Step by Step Solution
- Step 1: Write the proportion equation
10,938,946.91 : 16,418,718.36 = 5,551,463.75 : x - Step 2: Convert to fraction form
10,938,946.91/16,418,718.36 = 5,551,463.75/x - Step 3: Cross multiply
10,938,946.91x = 16,418,718.36 × 5,551,463.75 - Step 4: Simplify right side
10,938,946.91x = 91,147,919,714,905.86 - Step 5: Solve for x
x = 91,147,919,714,905.86/10,938,946.91 - Step 6: Final answer
x = 8,332,421.80
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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.