Finding the Fourth Proportional to 14,626,314.79, 20,184,641.06 and 8,346,717.06
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Solution
The fourth proportional to 14,626,314.79, 20,184,641.06 and 8,346,717.06 is: 11,518,655.95
Step by Step Solution
- Step 1: Write the proportion equation
14,626,314.79 : 20,184,641.06 = 8,346,717.06 : x - Step 2: Convert to fraction form
14,626,314.79/20,184,641.06 = 8,346,717.06/x - Step 3: Cross multiply
14,626,314.79x = 20,184,641.06 × 8,346,717.06 - Step 4: Simplify right side
14,626,314.79x = 168,475,487,881,591.09 - Step 5: Solve for x
x = 168,475,487,881,591.09/14,626,314.79 - Step 6: Final answer
x = 11,518,655.95
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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.