Finding the Fourth Proportional to 9,535,869.99, 13,159,665.03 and 5,184,985.67
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Solution
The fourth proportional to 9,535,869.99, 13,159,665.03 and 5,184,985.67 is: 7,155,369.64
Step by Step Solution
- Step 1: Write the proportion equation
9,535,869.99 : 13,159,665.03 = 5,184,985.67 : x - Step 2: Convert to fraction form
9,535,869.99/13,159,665.03 = 5,184,985.67/x - Step 3: Cross multiply
9,535,869.99x = 13,159,665.03 × 5,184,985.67 - Step 4: Simplify right side
9,535,869.99x = 68,232,674,605,544.23 - Step 5: Solve for x
x = 68,232,674,605,544.23/9,535,869.99 - Step 6: Final answer
x = 7,155,369.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.