Finding the Fourth Proportional to 10,655,433.60, 15,964,779.60 and 4,963,984.80
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Solution
The fourth proportional to 10,655,433.60, 15,964,779.60 and 4,963,984.80 is: 7,437,418.90
Step by Step Solution
- Step 1: Write the proportion equation
10,655,433.60 : 15,964,779.60 = 4,963,984.80 : x - Step 2: Convert to fraction form
10,655,433.60/15,964,779.60 = 4,963,984.80/x - Step 3: Cross multiply
10,655,433.60x = 15,964,779.60 × 4,963,984.80 - Step 4: Simplify right side
10,655,433.60x = 79,248,923,269,750.08 - Step 5: Solve for x
x = 79,248,923,269,750.08/10,655,433.60 - Step 6: Final answer
x = 7,437,418.90
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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.