Finding the Fourth Proportional to 8,970,363.60, 13,455,545.40 and 3,289,849.80
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Solution
The fourth proportional to 8,970,363.60, 13,455,545.40 and 3,289,849.80 is: 4,934,774.70
Step by Step Solution
- Step 1: Write the proportion equation
8,970,363.60 : 13,455,545.40 = 3,289,849.80 : x - Step 2: Convert to fraction form
8,970,363.60/13,455,545.40 = 3,289,849.80/x - Step 3: Cross multiply
8,970,363.60x = 13,455,545.40 × 3,289,849.80 - Step 4: Simplify right side
8,970,363.60x = 44,266,723,343,080.92 - Step 5: Solve for x
x = 44,266,723,343,080.92/8,970,363.60 - Step 6: Final answer
x = 4,934,774.70
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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.