Finding the Fourth Proportional to 8,749,875.20, 13,124,812.80 and 4,498,347.20
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Solution
The fourth proportional to 8,749,875.20, 13,124,812.80 and 4,498,347.20 is: 6,747,520.80
Step by Step Solution
- Step 1: Write the proportion equation
8,749,875.20 : 13,124,812.80 = 4,498,347.20 : x - Step 2: Convert to fraction form
8,749,875.20/13,124,812.80 = 4,498,347.20/x - Step 3: Cross multiply
8,749,875.20x = 13,124,812.80 × 4,498,347.20 - Step 4: Simplify right side
8,749,875.20x = 59,039,964,909,404.16 - Step 5: Solve for x
x = 59,039,964,909,404.16/8,749,875.20 - Step 6: Final answer
x = 6,747,520.80
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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.