Finding the Fourth Proportional to 13,215,354.96, 19,842,491.63 and 7,390,952.00
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Solution
The fourth proportional to 13,215,354.96, 19,842,491.63 and 7,390,952.00 is: 11,097,310.94
Step by Step Solution
- Step 1: Write the proportion equation
13,215,354.96 : 19,842,491.63 = 7,390,952.00 : x - Step 2: Convert to fraction form
13,215,354.96/19,842,491.63 = 7,390,952.00/x - Step 3: Cross multiply
13,215,354.96x = 19,842,491.63 × 7,390,952.00 - Step 4: Simplify right side
13,215,354.96x = 146,654,903,238,099.31 - Step 5: Solve for x
x = 146,654,903,238,099.31/13,215,354.96 - Step 6: Final answer
x = 11,097,310.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.