Finding the Fourth Proportional to 19,483,669.80, 29,218,615.65 and 6,701,201.55
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Solution
The fourth proportional to 19,483,669.80, 29,218,615.65 and 6,701,201.55 is: 10,049,432.91
Step by Step Solution
- Step 1: Write the proportion equation
19,483,669.80 : 29,218,615.65 = 6,701,201.55 : x - Step 2: Convert to fraction form
19,483,669.80/29,218,615.65 = 6,701,201.55/x - Step 3: Cross multiply
19,483,669.80x = 29,218,615.65 × 6,701,201.55 - Step 4: Simplify right side
19,483,669.80x = 195,799,832,482,634.25 - Step 5: Solve for x
x = 195,799,832,482,634.25/19,483,669.80 - Step 6: Final answer
x = 10,049,432.91
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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.