Finding the Fourth Proportional to 26,947,537.70, 40,421,306.55 and 12,598,630.70
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Solution
The fourth proportional to 26,947,537.70, 40,421,306.55 and 12,598,630.70 is: 18,897,946.05
Step by Step Solution
- Step 1: Write the proportion equation
26,947,537.70 : 40,421,306.55 = 12,598,630.70 : x - Step 2: Convert to fraction form
26,947,537.70/40,421,306.55 = 12,598,630.70/x - Step 3: Cross multiply
26,947,537.70x = 40,421,306.55 × 12,598,630.70 - Step 4: Simplify right side
26,947,537.70x = 509,253,113,634,941 - Step 5: Solve for x
x = 509,253,113,634,941/26,947,537.70 - Step 6: Final answer
x = 18,897,946.05
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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.