Finding the Fourth Proportional to 15,072,129.60, 22,609,576.80 and 4,974,772.80
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Solution
The fourth proportional to 15,072,129.60, 22,609,576.80 and 4,974,772.80 is: 7,462,615.48
Step by Step Solution
- Step 1: Write the proportion equation
15,072,129.60 : 22,609,576.80 = 4,974,772.80 : x - Step 2: Convert to fraction form
15,072,129.60/22,609,576.80 = 4,974,772.80/x - Step 3: Cross multiply
15,072,129.60x = 22,609,576.80 × 4,974,772.80 - Step 4: Simplify right side
15,072,129.60x = 112,477,507,684,151.05 - Step 5: Solve for x
x = 112,477,507,684,151.05/15,072,129.60 - Step 6: Final answer
x = 7,462,615.48
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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.