Finding the Fourth Proportional to 13,285,370.70, 19,928,056.05 and 8,498,465.10
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Solution
The fourth proportional to 13,285,370.70, 19,928,056.05 and 8,498,465.10 is: 12,747,697.65
Step by Step Solution
- Step 1: Write the proportion equation
13,285,370.70 : 19,928,056.05 = 8,498,465.10 : x - Step 2: Convert to fraction form
13,285,370.70/19,928,056.05 = 8,498,465.10/x - Step 3: Cross multiply
13,285,370.70x = 19,928,056.05 × 8,498,465.10 - Step 4: Simplify right side
13,285,370.70x = 169,357,888,851,768.84 - Step 5: Solve for x
x = 169,357,888,851,768.84/13,285,370.70 - Step 6: Final answer
x = 12,747,697.65
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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.