Finding the Fourth Proportional to 8,237,353.60, 12,357,196.80 and 2,556,985.60
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Solution
The fourth proportional to 8,237,353.60, 12,357,196.80 and 2,556,985.60 is: 3,835,840.47
Step by Step Solution
- Step 1: Write the proportion equation
8,237,353.60 : 12,357,196.80 = 2,556,985.60 : x - Step 2: Convert to fraction form
8,237,353.60/12,357,196.80 = 2,556,985.60/x - Step 3: Cross multiply
8,237,353.60x = 12,357,196.80 × 2,556,985.60 - Step 4: Simplify right side
8,237,353.60x = 31,597,174,273,966.08 - Step 5: Solve for x
x = 31,597,174,273,966.08/8,237,353.60 - Step 6: Final answer
x = 3,835,840.47
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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.