Finding the Fourth Proportional to 9,168,557.96, 13,754,821.64 and 2,779,292.13
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Solution
The fourth proportional to 9,168,557.96, 13,754,821.64 and 2,779,292.13 is: 4,169,539.82
Step by Step Solution
- Step 1: Write the proportion equation
9,168,557.96 : 13,754,821.64 = 2,779,292.13 : x - Step 2: Convert to fraction form
9,168,557.96/13,754,821.64 = 2,779,292.13/x - Step 3: Cross multiply
9,168,557.96x = 13,754,821.64 × 2,779,292.13 - Step 4: Simplify right side
9,168,557.96x = 38,228,667,519,709.23 - Step 5: Solve for x
x = 38,228,667,519,709.23/9,168,557.96 - Step 6: Final answer
x = 4,169,539.82
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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.