Finding the Fourth Proportional to 39,243,311.46, 58,874,389.11 and 12,316,967.46
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Solution
The fourth proportional to 39,243,311.46, 58,874,389.11 and 12,316,967.46 is: 18,478,408.37
Step by Step Solution
- Step 1: Write the proportion equation
39,243,311.46 : 58,874,389.11 = 12,316,967.46 : x - Step 2: Convert to fraction form
39,243,311.46/58,874,389.11 = 12,316,967.46/x - Step 3: Cross multiply
39,243,311.46x = 58,874,389.11 × 12,316,967.46 - Step 4: Simplify right side
39,243,311.46x = 725,153,934,895,248.38 - Step 5: Solve for x
x = 725,153,934,895,248.38/39,243,311.46 - Step 6: Final answer
x = 18,478,408.37
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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.