Finding the Fourth Proportional to 39,178,985.34, 58,769,056.08 and 14,919,269.70
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Solution
The fourth proportional to 39,178,985.34, 58,769,056.08 and 14,919,269.70 is: 22,379,124.68
Step by Step Solution
- Step 1: Write the proportion equation
39,178,985.34 : 58,769,056.08 = 14,919,269.70 : x - Step 2: Convert to fraction form
39,178,985.34/58,769,056.08 = 14,919,269.70/x - Step 3: Cross multiply
39,178,985.34x = 58,769,056.08 × 14,919,269.70 - Step 4: Simplify right side
39,178,985.34x = 876,791,397,671,944.75 - Step 5: Solve for x
x = 876,791,397,671,944.75/39,178,985.34 - Step 6: Final answer
x = 22,379,124.68
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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.