Finding the Fourth Proportional to 19,563,527.20, 29,346,586.80 and 5,186,394.40
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Solution
The fourth proportional to 19,563,527.20, 29,346,586.80 and 5,186,394.40 is: 7,779,935.18
Step by Step Solution
- Step 1: Write the proportion equation
19,563,527.20 : 29,346,586.80 = 5,186,394.40 : x - Step 2: Convert to fraction form
19,563,527.20/29,346,586.80 = 5,186,394.40/x - Step 3: Cross multiply
19,563,527.20x = 29,346,586.80 × 5,186,394.40 - Step 4: Simplify right side
19,563,527.20x = 152,202,973,438,633.94 - Step 5: Solve for x
x = 152,202,973,438,633.94/19,563,527.20 - Step 6: Final answer
x = 7,779,935.18
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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.