Finding the Fourth Proportional to 8,319,265.20, 12,478,897.80 and 4,732,038.45
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Solution
The fourth proportional to 8,319,265.20, 12,478,897.80 and 4,732,038.45 is: 7,098,057.68
Step by Step Solution
- Step 1: Write the proportion equation
8,319,265.20 : 12,478,897.80 = 4,732,038.45 : x - Step 2: Convert to fraction form
8,319,265.20/12,478,897.80 = 4,732,038.45/x - Step 3: Cross multiply
8,319,265.20x = 12,478,897.80 × 4,732,038.45 - Step 4: Simplify right side
8,319,265.20x = 59,050,624,203,220.41 - Step 5: Solve for x
x = 59,050,624,203,220.41/8,319,265.20 - Step 6: Final answer
x = 7,098,057.68
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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.