Finding the Fourth Proportional to 13,260,483.12, 19,888,753.92 and 3,674,862.24
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Solution
The fourth proportional to 13,260,483.12, 19,888,753.92 and 3,674,862.24 is: 5,511,747.21
Step by Step Solution
- Step 1: Write the proportion equation
13,260,483.12 : 19,888,753.92 = 3,674,862.24 : x - Step 2: Convert to fraction form
13,260,483.12/19,888,753.92 = 3,674,862.24/x - Step 3: Cross multiply
13,260,483.12x = 19,888,753.92 × 3,674,862.24 - Step 4: Simplify right side
13,260,483.12x = 73,088,430,781,259.98 - Step 5: Solve for x
x = 73,088,430,781,259.98/13,260,483.12 - Step 6: Final answer
x = 5,511,747.21
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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.