Finding the Fourth Proportional to 19,937,108.70, 29,905,663.05 and 4,791,040.20
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Solution
The fourth proportional to 19,937,108.70, 29,905,663.05 and 4,791,040.20 is: 7,186,560.30
Step by Step Solution
- Step 1: Write the proportion equation
19,937,108.70 : 29,905,663.05 = 4,791,040.20 : x - Step 2: Convert to fraction form
19,937,108.70/29,905,663.05 = 4,791,040.20/x - Step 3: Cross multiply
19,937,108.70x = 29,905,663.05 × 4,791,040.20 - Step 4: Simplify right side
19,937,108.70x = 143,279,233,880,204.62 - Step 5: Solve for x
x = 143,279,233,880,204.62/19,937,108.70 - Step 6: Final answer
x = 7,186,560.30
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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.