Finding the Fourth Proportional to 9,721,070.28, 14,581,424.79 and 2,902,266.72
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Solution
The fourth proportional to 9,721,070.28, 14,581,424.79 and 2,902,266.72 is: 4,353,346.15
Step by Step Solution
- Step 1: Write the proportion equation
9,721,070.28 : 14,581,424.79 = 2,902,266.72 : x - Step 2: Convert to fraction form
9,721,070.28/14,581,424.79 = 2,902,266.72/x - Step 3: Cross multiply
9,721,070.28x = 14,581,424.79 × 2,902,266.72 - Step 4: Simplify right side
9,721,070.28x = 42,319,183,898,199.99 - Step 5: Solve for x
x = 42,319,183,898,199.99/9,721,070.28 - Step 6: Final answer
x = 4,353,346.15
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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.