Finding the Fourth Proportional to 15,430,989.60, 23,147,746.56 and 7,750,685.28
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Solution
The fourth proportional to 15,430,989.60, 23,147,746.56 and 7,750,685.28 is: 11,626,661.88
Step by Step Solution
- Step 1: Write the proportion equation
15,430,989.60 : 23,147,746.56 = 7,750,685.28 : x - Step 2: Convert to fraction form
15,430,989.60/23,147,746.56 = 7,750,685.28/x - Step 3: Cross multiply
15,430,989.60x = 23,147,746.56 × 7,750,685.28 - Step 4: Simplify right side
15,430,989.60x = 179,410,898,527,762.62 - Step 5: Solve for x
x = 179,410,898,527,762.62/15,430,989.60 - Step 6: Final answer
x = 11,626,661.88
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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.