Finding the Fourth Proportional to 19,342,870.46, 26,692,107.06 and 10,639,638.08
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Solution
The fourth proportional to 19,342,870.46, 26,692,107.06 and 10,639,638.08 is: 14,682,120.70
Step by Step Solution
- Step 1: Write the proportion equation
19,342,870.46 : 26,692,107.06 = 10,639,638.08 : x - Step 2: Convert to fraction form
19,342,870.46/26,692,107.06 = 10,639,638.08/x - Step 3: Cross multiply
19,342,870.46x = 26,692,107.06 × 10,639,638.08 - Step 4: Simplify right side
19,342,870.46x = 283,994,358,711,012.81 - Step 5: Solve for x
x = 283,994,358,711,012.81/19,342,870.46 - Step 6: Final answer
x = 14,682,120.70
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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.