Finding the Fourth Proportional to 14,919,591.48, 22,379,312.19 and 12,891,664.95
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Solution
The fourth proportional to 14,919,591.48, 22,379,312.19 and 12,891,664.95 is: 19,337,432.59
Step by Step Solution
- Step 1: Write the proportion equation
14,919,591.48 : 22,379,312.19 = 12,891,664.95 : x - Step 2: Convert to fraction form
14,919,591.48/22,379,312.19 = 12,891,664.95/x - Step 3: Cross multiply
14,919,591.48x = 22,379,312.19 × 12,891,664.95 - Step 4: Simplify right side
14,919,591.48x = 288,506,594,564,930.75 - Step 5: Solve for x
x = 288,506,594,564,930.75/14,919,591.48 - Step 6: Final answer
x = 19,337,432.59
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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.